I didnt see a endurance rating other then 5 year warranty. whats the tbw? or workload rating?

TBW is 2500 TBW for the 4TB model.

Since the red version is optimized for a nas, is there a problem if installed on a computer?

No, not a problem. This NAS SSD can be used in the place of a regular SSD. I use these NAS SSD as boot drives in automation computers that run 24/7. Work flawlessly.

Is it compatible with the synology ds-720+ nas as cache memory?

Yes, but speed is limited. This model is M.2 SATA, not NVMe. Cannot operate through onboard NVMe slots. Need SATA adaptor and install through conventional HDD slots with a maximum of 6 Gb/s speed. Likely only capable to work as read-only cache.

Is it slc, mlc, tlc, or qlc? they are advertising it as a "nas ssd," it should be at least be mlc for that form of performance?

THE WD red SSD series is TLC. Note that a number of reliability studies have shown that TLC and MLC have similar reliability factors, and the WD drive has a large amount of sparing, which provides a very high write endurance, >700 TB for the 500 GB model. The WD SA series is designed for NAS caching, which has very high write ratios, but also works well as a normal drive or RAID drive.

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Western Digital 500GB WD Red SA500 NAS 3D NAND Internal SSD - SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s - WDS500G1R0A

Product ID: 264207238

Details

Brand
Western
Colour
Red
Compatible devices
Desktop
Connectivity technology
SATA
Digital storage capacity
500 GB
Hard disk description
Solid State

⚡Up to 560 MB/s SATA III speed

💾500GB high-speed storage

🔄24/7 endurance for nonstop NAS use

¥65605

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Description

🚀 Elevate your NAS game with WD Red SA500 – where speed meets relentless reliability!

PROVEN 3 D NAND TECHNOLOGY - Western Digital’s trusted 3D NAND ensures maximum SATA performance and long-term data integrity for both home and business users.
UNMATCHED 24 7 RELIABILITY - Engineered with superior endurance to handle heavy read/write cycles in always-on NAS environments without breaking a sweat.
SEAMLESS MULTI TASKING POWER - Reduces latency and accelerates responsiveness across demanding applications like photo rendering and OLTP databases—stay ahead of the curve.
TURBOCHARGE YOUR NAS STORAGE - Purpose-built 500GB SSD optimized for caching your most-used files, slashing load times and boosting productivity.
LIGHTNING FAST SATA III INTERFACE - Experience blazing transfer speeds up to 560 MB/s, perfect for multi-user setups, 4K/8K video editing, and real-time database responsiveness.

The Western Digital 500GB WD Red SA500 NAS SSD is a 2.5-inch SATA III internal drive designed specifically for NAS systems. Featuring 3D NAND technology, it delivers up to 560 MB/s read speeds and is engineered for 24/7 operation with superior endurance. Ideal for caching, multi-user environments, and demanding workloads like 4K/8K video editing, it ensures fast, reliable, and consistent performance tailored for both home and business NAS setups.

Specifications

ASIN	B07YFGQLYK
Are Batteries Included	No
Batteries	1 AAAA batteries required.
Best Sellers Rank	#3,734 in Computers ( See Top 100 in Computers ) #45 in Internal Solid State Drives
Brand	Western Digital
Color	Red
Customer Reviews	4.8 4.8 out of 5 stars (2,913)
Date First Available	24 October 2019
Form Factor	2.5-inch
Hard Disk Description	Solid State Drive
Hard Disk Rotational Speed	7200
Hard Drive Interface	Serial ATA-600
Hard Drive Size	500 GB
Hardware Platform	PC
Item Weight	4.24 g
Item model number	WDS500G1R0A
Lithium Battery Energy Content	2 Kilowatt Hours
Lithium Battery Packaging	Batteries contained in equipment
Lithium Battery Weight	2 Grams
Manufacturer	Western Digital
Number Of Lithium Ion Cells	5
Number of Lithium Metal Cells	5
Product Dimensions	10.03 x 6.99 x 0.71 cm; 4.25 g
Series	SA500
Wattage	52 watts

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¥65605

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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