will it work with a hp elitedesk 705 g3 sff?

As long as the mother board has open Ram memory slots and already has a 4gb or 8gb DDR4 Ram card.

Is this Ram 1R x 8 or 2R x 8 ?

This ram is 1Rx8...all the memory chips are on one side of the memory module board

Will this ram module work with "hp desktop pc m01-f0000a (6hr54av)"? thanks!

Check the specs. of you pc. It's more than seeing if it will fit, it's important to see if you pc can use it, such as is it to much ram. Yes, you can put in to much ram. Your pc may not function properly and also to much ram also would be overkill as well. Such as inserting to much ram and your pc will only use the amount of ram it's designed to use and the rest will just "sit" there so to speak and never be used. Always check you pc specs to see how much ram your pc will be able to use. It can be complicating, but you can add ram by removing one or both sticks you already have and installing more or removing just one stick and adding another. Basically it's simple math. First check your specs, then do the math and mix or match sticks to add up to what your pc can handle. Hope this helps.

Will this work ok with my current chip which is an 8gb ddr4 running at a higher rate, 2933mhz?

All memory has be the same speed.

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Samsung 8GB DDR4 PC4-21300, 2666MHZ, 288 PIN DIMM, 1.2V, CL 19 desktop ram memory module

Product ID: 257469021

Details

Brand
Samsung
Compatible devices
Desktop
Computer memory size
8 GB
Memory speed
2666 MHz
Ram memory technology
ddr4 sdram

⚡2666 MHz blazing speed

🔋1.2V ultra-low power

🧩288-pin seamless fit

¥21861

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Upgrade your rig, own the workflow — Samsung 8GB DDR4 RAM that means business!

BUILT TO LAST - Backed by Samsung’s lifetime warranty for worry-free upgrades
LAG FREE PERFORMANCE - CL19 latency ensures responsive computing without the wait
POWER SMART RUN LONG - Energy-efficient 1.2V operation keeps your system cool and power bills low
EFFORTLESS COMPATIBILITY - 288-pin DIMM design perfectly matches most modern desktops for plug-and-play ease
TURBOCHARGE YOUR DESKTOP - 2666 MHz DDR4 speed for smooth multitasking and faster load times

Samsung’s 8GB DDR4 PC4-21300 RAM module delivers a high-speed 2666 MHz frequency with low 1.2V power consumption, designed in a 288-pin DIMM form factor for broad desktop compatibility. Featuring CL19 latency and backed by a lifetime warranty, it’s a reliable, energy-efficient memory upgrade that boosts performance and multitasking for professional-grade computing.

Specifications

ASIN	B07F72RJYN
Additional Features	Lightweight
Brand	Samsung
Column Address Strobe Latency	19
Compatible Devices	Desktop
Customer Reviews	4.7 4.7 out of 5 stars (762)
Data Transfer Rate	2666 MHz
Form Factor	DIMM
Item Weight	0.04 Pounds
Manufacturer	SAMSUNG
Memory Form Factor	DIMM
Memory Generation	DDR4
Memory Speed	2666 MHz
Mfr Part Number	M378A1K43CB2-CTD
Model Name	M378A1K43CB2-CTD
Model Number	M378A1K43CB2-CTD
Number of Items	1
Number of Packs	1
Number of Pins	288
RAM Memory Technology	ddr4 sdram
RAM Size	8 GB
UPC	634158069338
Unit Count	1 Count
Voltage	1.2 Volts

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¥21861

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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