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Green rectangular DDR4 DIMM with black chips and gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KVR21R15S4/8 8GB DDR4 2133 ECC Registered server RAM

SKU CH-G8P2-Y7JNG MPN KVR21R15S4/8

8 GB DDR4 2133 ECC registered DIMM with CL15 latency for server workloads

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Product type288-Pin DDR4 SDRAM
  • ECC protection prevents data corruption with registered DDR4 design
  • Registered buffering improves signal integrity for stable server operation
  • CL15 latency at 2133 MHz delivers responsive memory performance
  • 20 V operation reduces power draw in dense deployments
  • 288-pin DDR4 DIMM fits standard server memory slots

8 GB DDR4-2133 ECC Registered DIMM

This 8 GB DDR4 module runs at 2133 MT/s with CL15 latency and 1.20 V operation. It includes ECC and registered signal processing for data integrity in multi-socket servers and workstations. The 288-pin DIMM has no heat spreader, matching standard OEM form factors.

Replaces non-ECC or unbuffered DDR4 in qualified

Systems that require registered ECC memory cannot use standard desktop modules; this part restores or expands capacity on boards that mandate the registered interface. The jump is worth it when the platform documentation specifies registered ECC DDR4-2133 and the current configuration lacks error correction.

Verify platform support for registered ECC

Confirm the motherboard or server accepts 288-pin registered DIMMs with x4 DRAM organisation and TS specification. Ensure the memory controller supports 1.20 V DDR4-2133 operation and that the BIOS recognises the module density. Systems limited to unbuffered or non-ECC memory will not post with this module.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $76.99
Cheaper than about 76% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $9.62 per GB
Pricier than about 66% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKVR21R15S4/8
Total capacity8 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.02 kg
Package size147 × 46 × 8 mm

Questions about this item

Will the 288-pin DIMM fit my server's DDR4 memory slots?

Yes, the module uses the standard 288-pin DDR4 DIMM form factor measuring 5.3 inches long and 1.2 inches wide, matching the physical slot specification for DDR4 registered memory.

Do I need to populate specific DIMM slots or channels when installing this registered ECC module?

Install the module in the DIMM slots recommended by your server motherboard manual for registered memory, typically starting with the slot furthest from the CPU; the registered buffer adds slight signal delay that the memory controller expects in designated slots.

How long is the memory covered against failure and what happens if a chip degrades?

Kingston provides a lifetime limited warranty on this ValueRAM module; if a memory chip or component fails during normal use, the module is eligible for replacement under the warranty terms.

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