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Green 288-pin DDR4 RDIMM module with black chips, no heat spreader

OWC

OWC 8GB DDR4 3200 CL22 ECC Registered RDIMM server RAM

SKU CH-ZXE4-VPKEA

8GB DDR4 3200 ECC registered RDIMM for server and workstation upgrades

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank1Rx8
  • ECC registered design protects data integrity in servers
  • 3200 MHz DDR4 speed delivers PC4-25600 bandwidth
  • CL22 latency at 1.2V balances performance and power
  • 1Rx8 288-pin registered DIMM fits QNAP RAM-8GDR4ECT0-RD-3200
  • 100% JEDEC and ROHS compliant for warranty-safe upgrades

ECC Registered DDR4 for Servers

This 8 GB DDR4 3200 module is built for workstations and servers that require registered ECC memory. It operates at PC4-25600 with a CL22 latency and runs at 1.2 V. The single-rank 1Rx8 design fits standard 288-pin RDIMM slots in compatible enterprise platforms.

JEDEC Compliant 288-Pin RDIMM

The module follows JEDEC and RoHS standards without a heat spreader, keeping the profile low for dense server chassis. Registered buffering reduces electrical load on the memory controller, allowing larger total capacities in supported systems. ECC circuitry detects and corrects single-bit errors to protect data integrity.

Verify Registered ECC Support Before Buying

This memory will not work in standard desktop computers or laptops that use unbuffered non-ECC DIMMs. It cannot be mixed with unbuffered modules in the same system. Check your motherboard or NAS documentation to confirm it accepts DDR4 3200 registered ECC RDIMMs before ordering.

How it compares

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

Price $73.99
Cheaper than about 77% 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 $9.25 per GB
Pricier than about 64% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D41R808 GB
Total capacity8 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

Does DDR4 3200 with CL22 latency cap real-world throughput for server workloads?

The module runs at 3200 MT/s with CL22 timing; ECC and registered operation add one cycle of buffering, so sustained bandwidth is limited by the JEDEC PC4-25600 rating rather than raw frequency alone

What physical slot and clearance does this 288-pin RDIMM need?

It fits a standard 288-pin DDR4 DIMM socket; no heat spreader is present, so low-profile heatsinks or tight server chassis lids will not interfere with the bare PCB

What is the correct installation sequence for registered ECC memory, and which step is most often missed?

Power down, open the retention clips, align the single key notch, press firmly until both clips snap shut, then verify in BIOS that ECC and registered modes are enabled — the missed step is confirming the memory mode after boot

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