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Green 288-pin DDR4 DIMM, bare chips, no heat spreader

Kingston Technology Corp.

Kingston Technology Corp. KVR21E15D8/8HA 8GB DDR4 2133 ECC Unbuffered server RAM

SKU CH-YEBR-59X8C MPN KVR21E15D8/8HA

8 GB DDR4 2133 ECC unbuffered DIMM with CL15 timing and 1.2 V operation for compatible servers and workstations

  • Capacity8GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Timing15-15-15
  • Voltage1.20V
  • ECC protection prevents data corruption in critical workloads
  • Unbuffered design reduces latency for responsive server operation
  • DDR4 2133 MHz speed delivers reliable throughput for everyday tasks
  • Low 1.20 V voltage cuts power draw and heat output
  • Validated compatibility with listed ASRock, Gigabyte, Intel and Supermicro platforms

8 GB DDR4 2133 ECC DIMM

This 8 GB DDR4 module runs at 2133 MHz with CL15 timings and 1.20 V operation. It provides ECC error correction in an unbuffered 288‑pin DIMM format. The dual‑rank 2Rx8 organisation suits workstations and entry‑level servers that require data integrity. Kingston ValueRAM branding indicates standard validated reliability.

Suited for ECC unbuffered DDR4 platforms

Buyers needing registered or load‑reduced modules cannot use this stick. Systems limited to non‑ECC memory will not benefit from the error‑correction feature. Builds requiring capacities above 8 GB per slot or speeds beyond 2133 MHz should select different modules.

Unbuffered ECC with CL15 at 2133 MHz

The combination of unbuffered signalling and on‑die ECC is the decisive attribute for motherboard compatibility. Only boards that explicitly support unbuffered ECC DDR4 at 2133 MHz will POST correctly with this part. Verify the platform memory qualification list before ordering.

Highlights

  • ECC protection prevents data corruption in critical workloads
  • Unbuffered design reduces latency for responsive server operation
  • DDR4 2133 MHz speed delivers reliable throughput for everyday tasks
  • Low 1.20 V voltage cuts power draw and heat output
  • Validated compatibility with listed ASRock, Gigabyte, Intel and Supermicro platforms

Specifications

BrandKingston
SeriesValueRAM
ModelKVR21E15D8/8HA
Capacity8GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Timing15-15-15
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
FeaturesPower Supply: VDD = 1.2V Typical
VDDQ = 1.2V Typical
VPP - 2.5V Typical
VDDSPD = 2.2V to 3.6V
Nominal and dynamic on-die termination (ODT) for data, strobe, and mask signals
Low-power auto self refresh (LPASR)
Data bus inversion (DBI) for data bus
On-die VREFDQ generation and calibration
Dual-rank
On-board I2 serial presence-detect (SPD) EEPROM
Temperature sensor with integrated SPD
16 internal banks; 4 groups of 4 banks each
Fixed burst chop (BC) of 4 and burst length (BL) of 8 via the mode register set (MRS)
Selectable BC4 or BL8 on-the-fly (OTF)
Fly-by topology
Terminated control
Shipping weight0.03 kg
Package size146 × 46 × 8 mm

Questions about this item

What does the 2133 MHz speed mean once this module is installed in a server?

The module runs at 2133 MHz, delivering up to PC4 17000 bandwidth for workloads that can use that throughput.

How does the 288-pin DDR4 interface limit performance in practice?

The 288-pin DDR4 connection caps transfer rate at 2133 MHz, so faster CPUs or chipsets cannot push this memory beyond that speed.

What physical space does the 288-pin DIMM need to fit in a chassis?

It requires a standard 288-pin DDR4 DIMM slot and enough vertical clearance for a module without a heat spreader.

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