Server Memory Upgrades — DDR5 & DDR4 RDIMM / LRDIMM

Q: Which DIMM Type Do I Need?

Most servers use one of three ECC DIMM types: RDIMM (Registered): Best for general-purpose servers. A register stabilises signals for reliable performance up to mid-range capacities. LRDIMM (Load-Reduced): Best for high-capacity, memory-bound workloads. Advanced buffering cuts electrical load so you can install the largest DIMMs available. UDIMM (Unbuffered): Best for entry servers or desktops. Lowest cost and latency, but scalability and stability drop off in large configs. Need a deeper dive? Read our full comparison.

Manufacturer Memory

Samsung, Micron & SK Hynix

Vendor Compatible

Dell · HPE · Lenovo

Volume Quotes

Fast B2B response

Direct Support

Technical assistance

Part Number	Brand	Size	Speed	Form Factor	Ships In	Stock	Price
SNPT025XC/256G	Dell	256GB	DDR5-5600	RDIMM	🟢2–3D	8	$ 8,696	Quote
AD053381	Dell	256GB	DDR5-5600	RDIMM	🟢2–3D	8	$ 8,696	Quote
AC448843	Dell	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
AC449974	Dell	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
AC517142	Dell	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
SNPMMWR9C/128G	Dell	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
SNPMMWR9C/128GVXR16G	Dell	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
AC828668	Dell	96GB	DDR5-5600	RDIMM	🟢2–3D	373	$ 4,130	Quote
SNPFFX9NC/96G	Dell	96GB	DDR5-5600	RDIMM	🟢2–3D	373	$ 4,130	Quote
SNPJ52K5C/64G	Dell	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
AC830718	Dell	64GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 2,609	Quote
SNP58F8NC/64G	Dell	64GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 2,609	Quote
AD089130	Dell	64GB	DDR5-6400	RDIMM	🟢2–3D	200	$ 2,609	Quote
SNPN66RPC/64G	Dell	64GB	DDR5-6400	RDIMM	🟢2–3D	200	$ 2,609	Quote
AC239379	Dell	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
AB445285	Dell	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
AB574671	Dell	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
AC023622	Dell	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
SNP7JXF5C/128G	Dell	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
SNP7JXF5C/128GVXR15G	Dell	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
SNP7JXF5C/128VXR	Dell	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
AC239378	Dell	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
SNPW08W9C/32G	Dell	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
AC830717	Dell	32GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 1,304	Quote
SNPP8XPWC/32G	Dell	32GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 1,304	Quote
SNPP0YCGC/32G	Dell	32GB	DDR5-4800	UDIMM	🟢2–3D	85	$ 1,196	Quote
AC027076	Dell	32GB	DDR5-4800	UDIMM	🟢2–3D	85	$ 1,196	Quote
AC958789	Dell	32GB	DDR5-5600	UDIMM	🟢2–3D	3	$ 1,196	Quote
SNPT3JMNC/32G	Dell	32GB	DDR5-5600	UDIMM	🟢2–3D	3	$ 1,196	Quote
SNPG9PYXC/32G	Dell	32GB	DDR5-6400	RDIMM	🟢2–3D	46	$ 1,173	Quote
AD089129	Dell	32GB	DDR5-6400	RDIMM	🟢2–3D	46	$ 1,173	Quote
AA579530	Dell	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
SNPW403YC/64G	Dell	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
AA601615	Dell	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
SNPW403YC/64VXR	Dell	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
AB003154	Dell	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
W403Y	Dell	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
AA783423	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
AA799110	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
AA810828	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
AB214253	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P2MYX	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
SNPP2MYXC/64G	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
SNPP2MYXC/64VXR	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
370‐AEVP	Dell	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
AA783422	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
AA799087	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
AA810827	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
AB214252	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
SNP75X1VC/32G	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
SNP75X1VC/32VXR	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
370-AEVN	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
75X1V	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
AC830716	Dell	16GB	DDR5-5600	RDIMM	🟢2–3D	86	$ 739	Quote
SNP5DR48C/16G	Dell	16GB	DDR5-5600	RDIMM	🟢2–3D	86	$ 739	Quote
AC239377	Dell	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
SNP1V1N1C/16G	Dell	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
SNPRKCR5C/16	Dell	16GB	DDR4-3200	SODIMM	🟢3–4D	100+	$ 635	Quote
AB640683	Dell	16GB	DDR4-3200	SODIMM	🟢3–4D	100+	$ 635	Quote
SNPRKCR5C/16G	Dell	16GB	DDR4-3200	SODIMM	🟢3–4D	100+	$ 635	Quote
SNP9D57RC/32G	Dell	32GB	DDR4-3200	UDIMM	🟢2–3D	100	$ 522	Quote
AB806062	Dell	32GB	DDR4-3200	UDIMM	🟢2–3D	100	$ 522	Quote
AC140335	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
SNPHTPJ7C/32GNP	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
AB614353	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
AB663423	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
SNPHTPJ7C/32G	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
SNPHTPJ7C/32VXR	Dell	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
AC958788	Dell	16GB	DDR5-5600	UDIMM	🟢2–3D	42	$ 315	Quote
SNPXH68MC/16G	Dell	16GB	DDR5-5600	UDIMM	🟢2–3D	42	$ 315	Quote
AB214251	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
M04W6	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
AA579532	Dell	16GB	DDR4-2933	RDIMM	🟢2–3D	17	$ 215	Quote
SNPM04W6C/16G	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
AA601617	Dell	16GB	DDR4-2933	RDIMM	🟢2–3D	17	$ 215	Quote
SNPM04W6C/16VXR	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
AB003152	Dell	16GB	DDR4-2933	RDIMM	🟢2–3D	17	$ 215	Quote
SNPTFYHPC/16G	Dell	16GB	DDR4-2933	RDIMM	🟢2–3D	17	$ 215	Quote
370-AEVQ	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
SNPTFYHPC/16VXR	Dell	16GB	DDR4-2933	RDIMM	🟢2–3D	17	$ 215	Quote
AA783421	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
TFYHP	Dell	16GB	DDR4-2933	RDIMM	🟢2–3D	17	$ 215	Quote
AA799064	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
AA810826	Dell	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
SNP6VDNYC/8G	Dell	8GB	DDR4-3200	RDIMM	🟢2–3D	45	$ 107	Quote
SNP6VDNYC/8VXR	Dell	8GB	DDR4-3200	RDIMM	🟢2–3D	45	$ 107	Quote
6VDNY	Dell	8GB	DDR4-3200	RDIMM	🟢2–3D	45	$ 107	Quote
AA783420	Dell	8GB	DDR4-3200	RDIMM	🟢2–3D	45	$ 107	Quote
AA810825	Dell	8GB	DDR4-3200	RDIMM	🟢2–3D	45	$ 107	Quote
AB214250	Dell	8GB	DDR4-3200	RDIMM	🟢2–3D	45	$ 107	Quote
SNPGD7H7C/128G	Dell	128GB	DDR5-5600	RDIMM	⚪Conf.			Quote
8WKDY	Dell	32GB	DDR4-2933	RDIMM	⚪Conf.			Quote
AB489614	Dell	16GB	DDR4-3200	SODIMM	⚪Conf.			Quote
AA579531	Dell	32GB	DDR4-2933	RDIMM	⚪Conf.			Quote
AA601616	Dell	32GB	DDR4-2933	RDIMM	⚪Conf.			Quote
AB003153	Dell	32GB	DDR4-2933	RDIMM	⚪Conf.			Quote
SNP8WKDYC/32G	Dell	32GB	DDR4-2933	RDIMM	⚪Conf.			Quote
SNP6W5P7C/16G	Dell	16GB	DDR4-3200	SODIMM	⚪Conf.			Quote
SNP8WKDYC/32VXR	Dell	32GB	DDR4-2933	RDIMM	⚪Conf.			Quote
AC830719	Dell	128GB	DDR5-5600	RDIMM	⚪Conf.			Quote
P64710-B21	HPE	256GB	DDR5-5600	RDIMM	🟢2–3D	8	$ 8,696	Quote
P64988-B21	HPE	128GB	DDR5-6400	RDIMM	🟢2–3D	305	$ 5,217	Quote
P69976-B21	HPE	128GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 4,783	Quote
P58360-H21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P60331-B21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P61791-B21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P62605-B21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P63345-B21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
R9Q20A	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P43334-B21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P46972-H21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P50313-B21	HPE	128GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 4,565	Quote
P64987-B21	HPE	96GB	DDR5-6400	RDIMM	🟢2–3D	100	$ 4,130	Quote
P64708-B21	HPE	96GB	DDR5-5600	RDIMM	🟢2–3D	373	$ 4,130	Quote
P66675-B21	HPE	96GB	DDR5-4800	RDIMM	🟢2–3D	211	$ 4,130	Quote
P66676-B21	HPE	96GB	DDR5-4800	RDIMM	🟢2–3D	211	$ 4,130	Quote
S3L10A	HPE	96GB	DDR5-4800	RDIMM	🟢2–3D	211	$ 4,130	Quote
P43331-B21	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P46970-H21	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P50312-B21	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P58358-H21	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P60330-B21	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P61790-B21	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P62604-B21	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P64707-B21	HPE	64GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 2,609	Quote
R9Q19A	HPE	64GB	DDR5-4800	RDIMM	🟢2–3D	347	$ 2,609	Quote
P70079-H21	HPE	64GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 2,609	Quote
P64986-B21	HPE	64GB	DDR5-6400	RDIMM	🟢2–3D	200	$ 2,609	Quote
R4S29A	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P06037-B21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P06037-H21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P06037-K21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P07652-B21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P07652-H21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P25206-B21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P41241-B21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P43171-B21	HPE	128GB	DDR4-3200	LRDIMM	🟢2–3D	36	$ 1,748	Quote
P50311-B21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
P58356-H21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
P60329-B21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
P61789-B21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
P62603-B21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
P64706-B21	HPE	32GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 1,304	Quote
P70077-H21	HPE	32GB	DDR5-5600	RDIMM	🟢2–3D	100	$ 1,304	Quote
P43328-B21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
P46968-H21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	110	$ 1,304	Quote
P64339-B21	HPE	32GB	DDR5-4800	UDIMM	🟢2–3D	85	$ 1,196	Quote
P64985-B21	HPE	32GB	DDR5-6400	RDIMM	🟢2–3D	46	$ 1,173	Quote
P50310-B21	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 1,022	Quote
R9Q18A	HPE	32GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 1,022	Quote
P14636-001	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P19045-B21	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P19045-H21	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P00930-B21	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P19045-K21	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P00930-H21	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P00930-K21	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P03053-0A1	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P03053-1A1	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P03053-CA1	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P06192-001	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P14492-B21	HPE	64GB	DDR4-2933	RDIMM	🟢2–3D	123	$ 935	Quote
P41240-B21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P43170-B21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P56431-B21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
R3X34A	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
R4S27A	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P06035-B21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P06035-H21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P07650-B21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P07650-H21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P07650-K21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P25205-B21	HPE	64GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 848	Quote
P25204-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P43169-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P56429-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
R3X33A	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
R4S26A	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P06033-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P06033-H21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P06033-K21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P07646-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P07646-H21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P07646-K21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	26	$ 789	Quote
P64984-B21	HPE	16GB	DDR5-6400	RDIMM	🟢2–3D	69	$ 739	Quote
P64705-B21	HPE	16GB	DDR5-5600	RDIMM	🟢2–3D	86	$ 739	Quote
P70075-H21	HPE	16GB	DDR5-5600	RDIMM	🟢2–3D	86	$ 739	Quote
P50309-B21	HPE	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
P58354-H21	HPE	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
P60327-B21	HPE	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
P61787-B21	HPE	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
P62601-B21	HPE	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
P43322-B21	HPE	16GB	DDR5-4800	RDIMM	🟢2–3D	100	$ 696	Quote
P43982-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	150	$ 541	Quote
P56427-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	150	$ 541	Quote
P43022-B21	HPE	32GB	DDR4-3200	UDIMM	🟢2–3D	100	$ 522	Quote
P11445-1A1	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
P25203-B21	HPE	32GB	DDR4-3200	RDIMM	🟢2–3D	1	$ 457	Quote
P43168-B21	HPE	16GB	DDR4-3200	RDIMM	🟢2–3D	19	$ 215	Quote
P00922-K21	HPE	16GB	DDR4-2933	RDIMM	🟢2–3D	17	$ 215	Quote

CoreWave DRAM & SSD Market Intelligence

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Manufactured by Industry Leaders

We offer memory modules manufactured by Samsung, SK Hynix, or Micron— the very same industry‐leading suppliers Dell, HPE, Lenovo relies on. This ensures each module meets high standards for performance, compatibility, and reliability, giving you genuine, equivalent quality at a competitive price.

Server Memory Server Memory FAQs

How do I pick the right server memory for my system?

Start by checking your server manual or technical documentation for supported memory types, speeds, and capacities. You can also explore our dedicated server model pages to view detailed memory configurations and compatible options. Use our brand/model filters to match the right modules, or contact CoreWave Labs for expert guidance.

Which DIMM Type Do I Need?

Most servers use one of three ECC DIMM types:
RDIMM (Registered): Best for general-purpose servers. A register stabilises signals for reliable performance up to mid-range capacities.
LRDIMM (Load-Reduced): Best for high-capacity, memory-bound workloads. Advanced buffering cuts electrical load so you can install the largest DIMMs available.
UDIMM (Unbuffered): Best for entry servers or desktops. Lowest cost and latency, but scalability and stability drop off in large configs.
Need a deeper dive? Read our full comparison.

Can I mix different memory speeds and capacities?

Technically yes — but the system defaults to the slowest module. For best performance, always use identical DIMMs (same size, speed, type).

Do I need ECC memory in my server?

Almost always. Enterprise servers depend on ECC (Error‑Correcting Code) to detect and fix memory errors, ensuring uptime and protecting data. Learn more in our detailed guide.

How many DIMMs should I install per CPU?

Follow your server’s DIMM population guidelines — balancing DIMMs across memory channels maximizes throughput, efficiency, and stability.

Can I upgrade my server’s memory without affecting its warranty?

Yes, as long as you use modules that meet the server’s official specs. Always check the manufacturer’s approved speeds, capacities, and ECC requirements.

What are the benefits of a server memory upgrade?

More capacity and speed boost data transfer, support more virtual machines, and eliminate bottlenecks in data-heavy workloads.

Need Help Choosing the Right RAM?

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Server Memory Upgrades — DDR5 & DDR4 RDIMM / LRDIMM