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  1. Home/
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  3. DDR4 ECC Server Memory

DDR4 ECC Server Memory

DDR4 ECC memory is the backbone of the current server fleet — Error-Correcting Code protects against single-bit faults, and Registered (RDIMM) or Load-Reduced (LRDIMM) buffering is what lets a server run many DIMMs stably. Every module here is server-grade DDR4 ECC, sold by exact manufacturer part number across 16GB, 32GB, 64GB and 128GB capacities and 2133 through 3200 MT/s speeds, from Micron, Samsung, SK Hynix and the HPE and Dell OEM-serialized parts your iLO or iDRAC expects. New and Refurbished stock sit together so you can compare a factory module against a tested pull for the same slot. ECC and buffering type must match your platform exactly — an unbuffered or non-ECC stick won't post in most servers — so confirm your population rules, or use the bulk-quote link and we'll pick the compatible part for your model. In stock, fast US shipping, warranty-backed, POs welcome.

New vs Recertified vs Refurbished

Every part is sold by exact manufacturer part number and ships warranty-backed. Here's what each condition means so you can weigh price against your workload.

New
Factory-sealed and unused, with the full manufacturer warranty. The safest choice for a fresh build or a warranty-sensitive deployment.
Recertified
OEM-recertified and restored to original specification, typically with low power-on hours. Health-tested and backed by our own replacement warranty — the same usable capacity for a lower price.
Refurbished
Professionally tested working pulls, wiped and inspected. A cost-effective option for labs, cold storage and non-critical tiers, warranty-backed.

Not sure which to pick? Read our New vs Recertified vs Refurbished guide.

Frequently asked questions

What does ECC actually do?+

ECC (Error-Correcting Code) memory detects and corrects single-bit errors on the fly, preventing silent data corruption and crashes — which is why servers require it. Desktop (non-ECC) memory won't post in most server platforms.

Registered (RDIMM) vs Load-Reduced (LRDIMM) DDR4?+

Both are buffered ECC types for servers. RDIMM buffers address/command lines and covers most builds; LRDIMM also buffers data lines to reach higher capacity per channel. Use whichever your server's rules specify.

Will DDR4 ECC work in my desktop?+

Generally no — most desktop boards need unbuffered non-ECC (or UDIMM ECC) memory and won't accept RDIMM/LRDIMM. These are server/workstation modules. Ask via the bulk-quote link if you're unsure about your board.

Related collections

64GB Server RAM (ECC)32GB Server Memory (RDIMM / LRDIMM)128GB Server Memory (LRDIMM / 3DS RDIMM)

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4081 parts

Part #BrandCapacityTypeSpeedRankECCConditionAvailabilityPrice
KTH-PL429LQ/64G

KTH-PL429LQ/64G - Kingston 64GB DDR4 2933MHz CL21 ECC RDIMM Memory

Kingston
64GB
DDR4
DDR4-2933/PC4-23400
Quad Rank x4
ECC
New
Check availability
Request quote
KTL-TS432E/32G

KTL-TS432E/32G - Kingston 32GB DDR4 3200MHz CL22 ECC UDIMM Memory

Kingston
32GB
DDR4
DDR4-3200/PC4-25600
Dual Rank x8
ECC
New
Check availability
Request quote
KTL-TS432D8/32G

KTL-TS432D8/32G - Kingston 32GB DDR4 3200MHz CL22 ECC RDIMM Memory

Kingston
32GB
DDR4
DDR4-3200/PC4-25600
Dual Rank x8
ECC
New
Check availability
Request quote
9995640-081.A00G

9995640-081.A00G - Kingston 32GB DDR4 2666MHz CL19 ECC RDIMM Memory

Kingston
32GB
DDR4
DDR4-2666/PC4-21300
Dual Rank x4
ECC
New
Check availability
Request quote
KTL-TS432/32G

KTL-TS432/32G - Kingston 32GB DDR4 3200MHz CL22 ECC RDIMM Memory

Kingston
32GB
DDR4
DDR4-3200/PC4-25600
Dual Rank x4
ECC
New
Check availability
Request quote
9995640-029.A01G

9995640-029.A01G - Kingston 32GB DDR4 2666MHz CL19 ECC RDIMM Memory

Kingston
32GB
DDR4
DDR4-2666/PC4-21300
Dual Rank x4
ECC
New
Check availability
Request quote
KCPC7G-MIA/32G

KCPC7G-MIA/32G - Kingston 32GB DDR4 2400MHz CL17 ECC VLP RDIMM Memory

Kingston
32GB
DDR4
DDR4-2400/PC4-19200
Dual Rank x4
ECC
New
Check availability
Request quote
9995694-015.A00G

9995694-015.A00G - Kingston 32GB DDR4 2933MHz CL21 ECC RDIMM Memory

Kingston
32GB
DDR4
DDR4-2933/PC4-23400
Dual Rank x4
ECC
New
Check availability
Request quote
KCS-UC432LQ/128G

KCS-UC432LQ/128G - Kingston 128GB DDR4 3200MHz CL22 ECC RDIMM Memory

Kingston
128GB
DDR4
DDR4-3200/PC4-25600
Quad Rank x4
ECC
New
Check availability
Request quote
KTD-PE432LQ/128G

KTD-PE432LQ/128G - Kingston 128GB DDR4 3200MHz CL22 ECC RDIMM Memory

Kingston
128GB
DDR4
3200MHz
Quad Rank x4
ECC Registered
New
Check availability
Request quote
KTH-PL432E/8G

KTH-PL432E/8G - Kingston 8GB DDR4 3200MHz CL22 ECC UDIMM Memory Module

Kingston
8GB
DDR4
DDR4-3200/PC4-25600
Single Rank x8
ECC
New
Check availability
Request quote
KSM26RD8/16HDI-BK

KSM26RD8/16HDI-BK - Kingston 16GB DDR4 2666MHz CL19 ECC RDIMM Memory

Kingston
16GB
DDR4
DDR4-2666/PC4-21300
Dual Rank x8
ECC
New
Check availability
Request quote
KTD-PE426S8/16G

KTD-PE426S8/16G - Kingston 16GB DDR4 2666MHz CL19 ECC RDIMM Memory

Kingston
16GB
DDR4
2666MHz
Single Rank x8
ECC Registered
New
Check availability
Request quote
KTL-TS429/16G

KTL-TS429/16G - Kingston 16GB DDR4 2933MHz CL21 ECC RDIMM Memory

Kingston
16GB
DDR4
DDR4-2933/PC4-23400
Single Rank x4
ECC
New
Check availability
Request quote
KTL-TS432D8/16G

KTL-TS432D8/16G - Kingston 16GB DDR4 3200MHz CL22 ECC RDIMM Memory

Kingston
16GB
DDR4
DDR4-3200/PC4-25600
Dual Rank x8
ECC
New
Check availability
Request quote
KTL-TS426E/16G

KTL-TS426E/16G - Kingston 16GB DDR4 2666MHz CL19 ECC UDIMM Memory

Kingston
16GB
DDR4
DDR4-2666/PC4-21300
Dual Rank x8
ECC
New
Check availability
Request quote
KTD-PE432/16G

KTD-PE432/16G - Kingston 16GB DDR4 3200MHz CL22 ECC RDIMM Memory

Kingston
16GB
DDR4
3200MHz
Single Rank x4
ECC Registered
New
Check availability
Request quote
9965662-009.A00G

9965662-009.A00G - Kingston 16GB DDR4 2400MHz CL17 ECC RDIMM Memory

Kingston
16GB
DDR4
DDR4-2400/PC4-19200
Dual Rank x4
ECC
New
Check availability
Request quote
KSM26RS8/8HDI-BK

KSM26RS8/8HDI-BK - Kingston 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Kingston
8GB
DDR4
DDR4-2666/PC4-21300
Single Rank x8
ECC
New
Check availability
Request quote
KTH-PL429/64G

KTH-PL429/64G - Kingston 64GB DDR4 2933MHz CL21 ECC RDIMM Memory

Kingston
64GB
DDR4
DDR4-2933/PC4-23400
Dual Rank x4
ECC
New
Check availability
Request quote
MEM-DR432LC-ER24

MEM-DR432LC-ER24 - Supermicro 32GB DDR4 2400MHz CL17 ECC RDIMM Memory

Supermicro
32GB
DDR4
2400MHz
Dual Rank x4
ECC
New
Check availability
Request quote
KTH-PL432D8P/16G

KTH-PL432D8P/16G - Kingston 16GB DDR4 3200MHz CL22 ECC UDIMM Memory

Kingston
16GB
DDR4
DDR4-3200/PC4-25600
Dual Rank x8
ECC
New
Check availability
Request quote
MEM-DR480LA-ER24

MEM-DR480LA-ER24 - Supermicro 8GB DDR4 2400MHz CL17 ECC RDIMM Memory

Supermicro
8GB
DDR4
2400MHz
Single Rank x4
ECC
New
Check availability
Request quote
AC049355

AC049355 - Dell 16Gb PC5-38400 DDR4-4800Mhz UDIMM ECC Memory

Dell
16GB
DDR5
DDR5-4800/PC5-38400
Single Rank
ECC
New
Check availability
Request quote

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