We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green 288-pin DDR4 DIMM with black chips and silver register

A-Tech

A-Tech 16GB DDR4 2400 ECC RDIMM 1Rx4 Server Memory HP 805349-S21 809082-091 809082-591 843313-S21 861109-001

SKU CH-49EP-3YV6G

A 16 GB DDR4 2400 ECC registered DIMM using 1Rx4 major-brand chips at 1.20 V for compatible HP servers

  • Capacity16GB
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 16 GB DDR4 2400 registered ECC memory expands server capacity
  • CL17 latency and 1.20 V operation balance speed with power efficiency
  • Single-rank 1Rx4 layout on 288-pin DIMM fits dense HP configurations
  • Major-brand chips tested for reliable 24/7 workload endurance
  • Direct replacement for HP part numbers 805349, 809082, 843313, 861109

16GB DDR4 2400 ECC RDIMM for HP Servers

This 16GB registered DDR4 module delivers ECC error correction for HP server and workstation platforms. It replaces HP part numbers 805349-S21, 809082-091, 809082-591, 843313-S21 and 861109-001. The single-rank 1Rx4 design uses major-brand chips at 1.20V standard voltage.

Capacity and registered buffer headroom

The 16GB capacity suits virtualization hosts, database nodes and multi-user application servers that benefit from registered signal integrity. CL17 latency at 2400 MT/s provides stable throughput for typical enterprise workloads. Systems requiring higher density per slot or faster data rates will exceed this module's specifications.

DDR4 288-pin RDIMM interface limits

The DDR4 288-pin RDIMM form factor fits only DDR4 registered DIMM slots; it will not work in unbuffered UDIMM or LRDIMM sockets. PC4-19200 rating defines the maximum standard transfer rate; overclocking beyond 2400 MT/s is not supported by the JEDEC specification for this module.

Highlights

  • 16 GB DDR4 2400 registered ECC memory expands server capacity
  • CL17 latency and 1.20 V operation balance speed with power efficiency
  • Single-rank 1Rx4 layout on 288-pin DIMM fits dense HP configurations
  • Major-brand chips tested for reliable 24/7 workload endurance
  • Direct replacement for HP part numbers 805349, 809082, 843313, 861109

Specifications

BrandA-Tech
Capacity16GB
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions about this item

Will this 1Rx4 DDR4 2400 ECC RDIMM run with my existing CL17 1.20V modules in a multi-channel server?

Yes, it matches the same DDR4 2400 speed, CL17 latency and 1.20V voltage, so it can operate alongside identical-spec modules in a multi-channel configuration.

How do I confirm the module is recognised as 16GB ECC registered memory after installation?

Check the system BIOS or OS memory report; it should show 16GB, DDR4 2400, ECC RDIMM, 1Rx4 organisation and 1.20V operation.

Does the single 288-pin DIMM ship alone, or are brackets and cables included?

Only the 16GB DDR4 2400 ECC RDIMM module is supplied; no brackets, cables or additional hardware are included.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.