Samsung 64GB DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 2S2Rx4 1.2V ECC Registered DIMM Server RAM Memory - M393A8K40B22-CWD

£457.95 £7.16/GB

27% cheaper per GB than the average 64GB DDR4 kit we track.

Server DDR4 ECC Buffered

★ 5.0/5 · 2 reviews on Amazon

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Specification

Price history

30-day avg £377.6690-day avg £418.97180-day avg £431.51 All-time low £99.99 (2025-10-08)

Cheaper per GB in the same spec

Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›

	£/GB	Price	Capacity	Manufacturer	For	Type	Form Factor	ECC / Buffered	Description
	£4.31best £/GB	£275.99	64GB (4x16GB)	Gigastone	Desktop	DDR4	DIMM 2666MHz	Non-ECCUnbuffered	【DDR4 RAM】GIGASTONE 64GB Kit (4x16GB) DDR4 2666MHz (2400MHz or 2133MHz) PC4-21300 (PC4-19200/17000) CL19 1.2V UDIMM 288 Pin Unbuffered Non ECC High Performance PC Desktop Memory UpgradeBuy📈★★★★½57
	£4.67	£299.00▼ 9%	64GB	Kingston	Server	DDR4	DIMM 2666MHz	ECC	Kingston Server Premier 64GB 2666MT/s DDR4 ECC Reg CL19 DIMM 2Rx4 Server Memory Micron F Rambus - KSM26RD4/64MFRBuy📈-
	£4.69	£299.99	64GB	Yongxinsheng	Desktop	DDR4	DIMM 2666MHz	Non-ECCUnbuffered	DDR4 2666MHz 64GB Kit (16GBx4) Desktop RAM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V 288-Pin CL19 PC Computer Memory Upgrade Module Kit (Black)Buy📈★★★★☆16
	£4.84	£309.99	64GB	Yongxinsheng	Desktop	DDR4	DIMM 3200MHz	Non-ECCUnbuffered	DDR4 3200MHz 64GB Kit (16GBx4) Desktop RAM PC4-25600 UDIMM Non-ECC Unbuffered 1.35V 288 Pin CL16 PC Computer Memory Upgrade Module Support XMP 2.0 Auto Overclocking (Black)Buy📈★★★★½19
	£5.25	£336.00	64GB	GLOBAL MEMORY	Mac	DDR4	DIMM 2666MHz	ECCBuffered	64GB DDR4 2666MHz PC4-21300 288-PIN ECC REGISTERED LOAD REDUCED DIMM (LRDIMM) MEMORY RAM COMPATIBLE WITH MAC PRO (2019)Buy📈-
	£5.36	£342.92	64GB (4x16GB)	Timetec	Desktop	DDR4	DIMM 2400MHz	Non-ECCUnbuffered	Timetec 64GB KIT (4x16GB) DDR4 2400MHz (PC4-2400T) PC4-19200 UDIMM Desktop RAM – 288-Pin 1.2V CL17 Non-ECC Unbuffered DIMM Memory Module UpgradeBuy📈★★★★½25

About this kit

• Compatibility: all systems that support DDR4 RDIMM
• 64GB 2S2Rx4 PC4-2666V

Samsung RDIMM 64GB PC4 2666 DDR4 2S2Rx4 M393A8K40B22 CWD Server RAM Memory ECC Registered for Dell HP Lenovo Supermicro

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