---
product_id: 10002128
title: "3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black"
brand: "startech.com"
price: "¥34198"
currency: JPY
in_stock: true
reviews_count: 13
category: "Star Tech.Com"
url: https://www.desertcart.jp/products/10002128-3-bay-hot-swap-backplane-for-3-5in-sas-ii
store_origin: JP
region: Japan
---

# 6 Gbps SATA III / SAS II data transfer speed 3 hot-swap bays for 3.5in SATA/SAS drives Aluminum vented enclosure + fan for optimal cooling 3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black

**Brand:** startech.com
**Price:** ¥34198
**Availability:** ✅ In Stock

## Summary

> 💼 Elevate your storage game with enterprise-grade hot-swap ease!

## Quick Answers

- **What is this?** 3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black by startech.com
- **How much does it cost?** ¥34198 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/10002128-3-bay-hot-swap-backplane-for-3-5in-sas-ii)

## Best For

- startech.com enthusiasts

## Why This Product

- Trusted startech.com brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Blazing 6 Gbps Speed:** Maximize data throughput with full SATA III and SAS II compatibility for lightning-fast transfers
- • **Cool & Quiet Operation:** Vented aluminum chassis with adjustable fan keeps drives cool and humming silently 24/7
- • **Secure & Tool-Free Access:** Trayless design with individual ejection levers and key-lock doors for quick, safe drive swaps
- • **Triple Drive Hot-Swap Powerhouse:** Seamlessly swap up to 3 enterprise-grade 3.5in SATA or SAS drives without downtime
- • **Built for IT Pros, Backed for Life:** Trusted durability with 2-year warranty plus lifetime 24/5 multilingual tech support

## Overview

The StarTech.com 3-Bay Hot Swap Backplane transforms two 5.25" bays into a versatile, trayless mobile rack supporting up to three 3.5" SATA or SAS hard drives. Delivering 6 Gbps transfer speeds, it features individual drive LEDs, key-lock security, and a vented aluminum enclosure with a quiet, speed-controlled fan to maintain optimal temperatures. Designed for professional IT environments, it offers quick installation, broad compatibility, and is backed by a 2-year warranty with lifetime technical support.

## Description

The removable 3-drive hot swap blackplane lets you quickly install and hot-swap 3.5" drives from the front of your computer, by turning two 5.25" bays into a hot-swappable interface for you to connect up to three 3.5” SATA or SAS hard drives (HDD). For added versatility, the mobile rack backplane can interface with SATA I/II/III and SAS I/II hard drives -- an ideal accommodation for enterprise system applications. For a quick and secure method of installing and removing drives, the SATA hot swap backplane features ejection levers and a key-lock design. To help prevent drive failure, the hot swap blackplane provides excellent heat dissipation with a built-in fan, and a vented solid aluminum enclosure. The removable 3-drive mobile rack backplane is backed by a StarTech..

Review: Great backplane, perfect for custom builds of multidisk enclosures. - I needed a 4 Disk back plane that didn't use port multiplication for my RAID 10 setup on my server system and this worked perfectly. It is intended to fit inside of the actual PC chassis, but for what I was doing that was not possible. I needed it to be able to connect to 4 WD Red 3TB drives for RAID 10 with hotswap, but needed it to be separate from the actual server computer. I was able to build a custom case for this, and wired up a power supply to go in the bottom of the case to run the enclosure. The enclosure sits in the top of the case, and has 4 SATA plugs coming from my Intel RS2PI008 RAID Card via a Mini SAS to SATA breakout cable. Once I finished with all of the building, I plugged it all up to the server and set up the RAID without a hitch. I like the fact that this backplane has individual LEDs for each drive to monitor activity and will tell you when one of the drives in not functioning. Each drive slot is trayless, and is easy to insert and remove the disks from. All you have to do it open the door on the front for the slot you want to insert the disk in, and slide the disk in partially. Then close the door and the spring in the hinge will do the rest for you, pushing the disk all the way in and making the connection on the PCB. To remove the disk, just open the door, and the disk will partially pop out of the slot allowing you to grab hold of it to install a new one. Each slot has a lock on it, so you can lock the doors to prevent someone from opening the doors and disconnecting the disks. This is nice if the unit is in a place where others are able to access it, just don't lose the keys (It comes with 2). If you are installing it inside of a chassis, there are slots on each side for installing screws to hold the backplane in position. It requires 2 SATA Power connectors from you PSU, and it is recommended to use each from a different rail, especially if you are using the same rails for powering other things. This way you won't over load the rails. There are 2 switches on the back, one for turning on and off the LEDs, and one for setting the fan to either off, low or high. There is also a cut out where you can see 4 pin spots on the PCB that are not filled in. I took the whole thing apart to try and figure out what they are for, and as far as I can tell, they are for a temp sensor. I looked around on the net and there are a few models similar to this one that have a temp sensor installed from the factory. I guess if you wanted to, and you are good at soldering, you could install your own if you have a thermocouple, but without an LCD readout it would be kinda pointless. Overall this is a nice backplane, that is built really well and is ready for the long haul. I forgot to mention, that the 4 drive slots are able to accept either SATA or SAS drives, but the ports on the back are only SATA unfortunately, but it isn't hard to find a SAS to SATA cable adapter or even a SATA to eSATA adapter if needed. The fan that installed in it is a standard 3 pin 80mm fan, and it is really quite as it is with it set to low. If the fan ever fails, or you just want to install a higher grade one, it isn't hard. There are 4 screws on the housing for the fan that need to be removed to gain access to the fan, but the other 12 screws around the outside of the back plate have to be removed to gain access to the PCB so you can unplug the fan. I can't remember right off the top of my head, but I think the plug for the fan is a non-standard 3 pin plug, so you may want to have a de-pinning kit ready so you can swap the plugs out. The PCB for the backplane is not readily available online, I did some searching for it to see, as really for what I wanted to do that was the only part of this I really needed, but I was unable to find one. As long as the temps stay relatively low, and the input voltages don't spike ( I have it connected to a APC 1500 Pro UPS so there shouldn't be any fluctuations in voltage) and blow the circuit it should be fine and not need replacement. If it does, I guess I will have to contact StarTech and see if they can point me in the right direction to procure a replacement. Since this is going to be used for my server to maintain all of my media and backups it will be on 24/7 so I will put time on it quickly and I will post back later on to let you guys know how it holds up. I predict there will not be any issues, but I have been wrong before, just ask my Wife.
Review: Quick an easy way to add hot swap bays. - I now have two of these units for separate machines, not because of failure. The first one I installed in mid 2021, the second in late 2023. It's now fall of 2025 and both units are going strong fully populated, 24/7. In the multiple years I've had these units I've never experienced a fault that wasn't due to a drive dying. I fell in love with hot swapping hard drives using old server hardware but hated the noise, weight and physical space often required for such machines, and wanted to "downgrade" to more consumer desktop-style cases. Few cases like that are designed for pulling drives without opening the case but these bays solved that problem as long as your case has 3 5.25" bays that open to the outside. Admittedly even THAT is becoming harder to find in cases since fewer people are adding accessory components that need them. If you can install a hard drive then you can install this; although since it's longer than a typical hard drive if your case is small, or otherwise cramped around the back of the 5.25" bays then getting to the power and SATA cables could be a bit difficult when you install it. Fortunately because it's a hot swap bay you shouldn't ever need to access the back of the unit after installation. The unit does require a SATA data cable for each drive, but only needs 2 SATA power cables which makes cable management a bit easier. I've run everything from older 1TB drives to 16TB 7200RPM "Enterprise" drives and they've all been detected no differently than if they were directly connected to the motherboard. This is expected but I'm pointing it out as sometimes there are compatibility issues particularly with larger hard drives. The drives are firmly secured but promptly pop out for removal when you open the each door fully. The door doesn't extract the drive until it's nearly fully open so you don't have to worry about accidentally disconnecting a drive if you open the wrong slot. I don't use the locks on the doors. They exist which is nice, and would slow someone from easily ripping your drives out (such as a curious child) but I wouldn't rely on them for actual security purposes. Other reviews have commented that the fans are loud. Either that was an issue with units older than mine and has since been fixed, or I'm just lucky because both of mine are dead silent. Drive temps are kept well within reasonable levels; checking my logs (monitored with AnalogJ Scrutiny) I peak at 40c on one drive over the last year, with the average being 38c; and neither machine is particularly well ventilated.

## Features

- INCREASED PRODUCTIVITY: The 3-drive hot swap backplane lets you turn two 5.25in bays into a hot-swappable interface for you to connect up to three 3.5in SATA or SAS hard drives (HDD)
- MAXIMUM COMPATIBILITY: For added versatility, the hard mobile rack backplane can interface with SATA I/II/III and SAS I/II hard drives; An ideal accommodation for enterprise system applications; Power and status LEDs for each bay
- QUICK SETUP: For a quick and secure method of installing and removing drives, this trayless SATA hot swap backplane features individual ejection levers for each bay with a key-lock design for optional added security (includes two keys)
- MAINTAIN OPTIMAL TEMPERATURE: To help prevent drive failure, the 3-drive hot swap backplane features a vented solid aluminum enclosure that provides excellent heat dissipation in addition to a built-in fan with speed control; UL VO flammability rated
- THE IT PRO'S CHOICE: Designed and built for IT professionals, this 3-Bay hard drive backplane is backed for 2 years, including free lifetime 24/5 multi-lingual technical assistance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00HS23QZO |
| Best Sellers Rank | #324 in Enclosures |
| Brand | StarTech.com |
| Built-In Media | Storage mobile rack |
| Color | Black |
| Compatible Devices | PC |
| Connectivity Technology | SATA |
| Customer Reviews | 4.3 out of 5 stars 574 Reviews |
| Data Transfer Rate | 6 megabits_per_second |
| Enclosure Material | Aluminum |
| Global Trade Identification Number | 00065030855297 |
| Hard Disk Form Factor | 3.5 inches |
| Hardware Interface | SAS |
| Hardware Platform | PC |
| Item Dimensions L x W x H | 7.64"L x 5.75"W x 3.35"H |
| Item Type Name | Startech.Com HSB3SATSASBA 3 Bay Trayless Hot Swap 3.5" SATA HDD Mobile Rack Backplane, Storage, Black |
| Item Weight | 0.87 kg |
| Manufacturer | StarTech.com |
| Material | Aluminum |
| Memory Storage Capacity | 6 GB |
| Mfr Part Number | HSB3SATSASBA |
| Model Number | HSB3SATSASBA |
| Number of Items | 1 |
| Product Dimensions | 7.64"L x 5.75"W x 3.35"H |
| Supported Devices Quantity | 3 |
| UPC | 065030855297 |
| Unit Count | 1 Count |
| Warranty Description | 2 Years |

## Product Details

- **Brand:** StarTech.com
- **Color:** Black
- **Hardware Interface:** SAS
- **Hardware Platform:** PC
- **Product Dimensions:** 7.64"L x 5.75"W x 3.35"H

## Images

![3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black - Image 1](https://m.media-amazon.com/images/I/81iy3QH6WzL.jpg)
![3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black - Image 2](https://m.media-amazon.com/images/I/81Y6JMBmzfL.jpg)
![3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black - Image 3](https://m.media-amazon.com/images/I/81Z8sYrRGSL.jpg)
![3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black - Image 4](https://m.media-amazon.com/images/I/81W97kjg3SL.jpg)
![3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black - Image 5](https://m.media-amazon.com/images/I/91RCWqPrihL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Can I turn each hard drive off or are they all on one switch?**
A: each one has a power switch. I use these for systems that require a fast clone recovery. I hook up the two top bays to power and data. Put the system drive in the top bay. Place a drive to be cloned into the center. Clone it. Then store it in the bottom not hooked up bay. In case of failure just put the spare in the online slot. Back up in seconds not hours or days.

**Q: I see this can interface with sas drives - does it act as a sas controller or does my board need to have an sas controller?**
A: No, the HSB3SATSASBA allows SAS drives to connect but is not a SAS controller. Your computer will still need a SAS controller to read the drives.
Matt, StarTech.com Support

**Q: Does anyone know if this will fit into an hp z640?  worried about how it slides in and mounts with the z640's 5.25" bays.**
A: The HSB3SATSASBA has not been tested on an HP z640. The rack uses standard 5.25" mounting points. Brandon, StarTech.com Support

**Q: will this function normally if mounted sideways?**
A: It should, there are cases, storage devices, and NAS devices from big name manufacturers where hard drives are positioned on their side with no problems.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great backplane, perfect for custom builds of multidisk enclosures.
*by J***G on April 20, 2015*

I needed a 4 Disk back plane that didn't use port multiplication for my RAID 10 setup on my server system and this worked perfectly. It is intended to fit inside of the actual PC chassis, but for what I was doing that was not possible. I needed it to be able to connect to 4 WD Red 3TB drives for RAID 10 with hotswap, but needed it to be separate from the actual server computer. I was able to build a custom case for this, and wired up a power supply to go in the bottom of the case to run the enclosure. The enclosure sits in the top of the case, and has 4 SATA plugs coming from my Intel RS2PI008 RAID Card via a Mini SAS to SATA breakout cable. Once I finished with all of the building, I plugged it all up to the server and set up the RAID without a hitch. I like the fact that this backplane has individual LEDs for each drive to monitor activity and will tell you when one of the drives in not functioning. Each drive slot is trayless, and is easy to insert and remove the disks from. All you have to do it open the door on the front for the slot you want to insert the disk in, and slide the disk in partially. Then close the door and the spring in the hinge will do the rest for you, pushing the disk all the way in and making the connection on the PCB. To remove the disk, just open the door, and the disk will partially pop out of the slot allowing you to grab hold of it to install a new one. Each slot has a lock on it, so you can lock the doors to prevent someone from opening the doors and disconnecting the disks. This is nice if the unit is in a place where others are able to access it, just don't lose the keys (It comes with 2). If you are installing it inside of a chassis, there are slots on each side for installing screws to hold the backplane in position. It requires 2 SATA Power connectors from you PSU, and it is recommended to use each from a different rail, especially if you are using the same rails for powering other things. This way you won't over load the rails. There are 2 switches on the back, one for turning on and off the LEDs, and one for setting the fan to either off, low or high. There is also a cut out where you can see 4 pin spots on the PCB that are not filled in. I took the whole thing apart to try and figure out what they are for, and as far as I can tell, they are for a temp sensor. I looked around on the net and there are a few models similar to this one that have a temp sensor installed from the factory. I guess if you wanted to, and you are good at soldering, you could install your own if you have a thermocouple, but without an LCD readout it would be kinda pointless. Overall this is a nice backplane, that is built really well and is ready for the long haul. I forgot to mention, that the 4 drive slots are able to accept either SATA or SAS drives, but the ports on the back are only SATA unfortunately, but it isn't hard to find a SAS to SATA cable adapter or even a SATA to eSATA adapter if needed. The fan that installed in it is a standard 3 pin 80mm fan, and it is really quite as it is with it set to low. If the fan ever fails, or you just want to install a higher grade one, it isn't hard. There are 4 screws on the housing for the fan that need to be removed to gain access to the fan, but the other 12 screws around the outside of the back plate have to be removed to gain access to the PCB so you can unplug the fan. I can't remember right off the top of my head, but I think the plug for the fan is a non-standard 3 pin plug, so you may want to have a de-pinning kit ready so you can swap the plugs out. The PCB for the backplane is not readily available online, I did some searching for it to see, as really for what I wanted to do that was the only part of this I really needed, but I was unable to find one. As long as the temps stay relatively low, and the input voltages don't spike ( I have it connected to a APC 1500 Pro UPS so there shouldn't be any fluctuations in voltage) and blow the circuit it should be fine and not need replacement. If it does, I guess I will have to contact StarTech and see if they can point me in the right direction to procure a replacement. Since this is going to be used for my server to maintain all of my media and backups it will be on 24/7 so I will put time on it quickly and I will post back later on to let you guys know how it holds up. I predict there will not be any issues, but I have been wrong before, just ask my Wife.

### ⭐⭐⭐⭐⭐ Quick an easy way to add hot swap bays.
*by G***R on September 18, 2025*

I now have two of these units for separate machines, not because of failure. The first one I installed in mid 2021, the second in late 2023. It's now fall of 2025 and both units are going strong fully populated, 24/7. In the multiple years I've had these units I've never experienced a fault that wasn't due to a drive dying. I fell in love with hot swapping hard drives using old server hardware but hated the noise, weight and physical space often required for such machines, and wanted to "downgrade" to more consumer desktop-style cases. Few cases like that are designed for pulling drives without opening the case but these bays solved that problem as long as your case has 3 5.25" bays that open to the outside. Admittedly even THAT is becoming harder to find in cases since fewer people are adding accessory components that need them. If you can install a hard drive then you can install this; although since it's longer than a typical hard drive if your case is small, or otherwise cramped around the back of the 5.25" bays then getting to the power and SATA cables could be a bit difficult when you install it. Fortunately because it's a hot swap bay you shouldn't ever need to access the back of the unit after installation. The unit does require a SATA data cable for each drive, but only needs 2 SATA power cables which makes cable management a bit easier. I've run everything from older 1TB drives to 16TB 7200RPM "Enterprise" drives and they've all been detected no differently than if they were directly connected to the motherboard. This is expected but I'm pointing it out as sometimes there are compatibility issues particularly with larger hard drives. The drives are firmly secured but promptly pop out for removal when you open the each door fully. The door doesn't extract the drive until it's nearly fully open so you don't have to worry about accidentally disconnecting a drive if you open the wrong slot. I don't use the locks on the doors. They exist which is nice, and would slow someone from easily ripping your drives out (such as a curious child) but I wouldn't rely on them for actual security purposes. Other reviews have commented that the fans are loud. Either that was an issue with units older than mine and has since been fixed, or I'm just lucky because both of mine are dead silent. Drive temps are kept well within reasonable levels; checking my logs (monitored with AnalogJ Scrutiny) I peak at 40c on one drive over the last year, with the average being 38c; and neither machine is particularly well ventilated.

### ⭐⭐⭐⭐ The best unit I could find and perfect for use in Anidees AI Raider XL full tower case
*by A***R on August 3, 2025*

This bay works great and fits perfectly in Anidees AI Raider XL full tower case or old Antec 1200 case. The design allows for installing in cases that have the supporting tabs between each 5.24in drive bay which is a very important design feature to have for compatibility for non-rackmount cases. The build quality is excellent and easily handles 4 drives keeping heat at a manageable level. The fan however is quite noisy and I would recommend replacing it with a Noctua fan. As with many drive bays of this type the PCB holes designed for air movement are probably too small so air flow across drives probably isn't the best one would hope for. I don't have any connectivity issues between my HBA and this unit any my drives transmit data a full speed with no disconnects.

## Frequently Bought Together

- StarTech.com 3-Bay Hot Swap Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD - Aluminum Trayless Mobile Rack Backplane (HSB3SATSASBA),Black
- ADCAUDX SATA-III Cable-1M 6Pcs/Set-6Gbps-SATA Cable Long Replacement for Bitcoin Computer-Server CD DVD Drives Raid HDD-SSD (3.3FT)
- StarTech.com 15.7 in (400 mm) SATA Power Splitter Adapter Cable - M/F - 4x Serial ATA Power Cable Splitter (PYO4SATA)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/10002128-3-bay-hot-swap-backplane-for-3-5in-sas-ii](https://www.desertcart.jp/products/10002128-3-bay-hot-swap-backplane-for-3-5in-sas-ii)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-28*