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Eight green DDR5 RDIMM modules in anti-static packaging

OWC

OWC 5R2D51R4128K 128GB (8x16GB) DDR5 5200 CL42 1Rx4 ECC RDIMM server RAM

SKU CH-6MC3-SSF8Y

A 128GB DDR5 ECC registered kit of eight 16GB modules running at 5200MT/s with CL42 latency for compatible workstations and servers

  • Capacity128GB (8 x 16GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 5200 (PC5 41600)
  • CAS LatencyCL42
  • Voltage1.1V
  • ECCYes

Capacity 128GB (8 x 16GB)

  • ECC registered design protects data integrity in servers
  • 128GB kit with eight 16GB modules expands capacity
  • DDR5 5200 CL42 at 1.1V balances speed and efficiency
  • 288-pin RDIMM form factor fits compatible workstations
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server memory kit for workstations

This 128GB kit contains eight 16GB DDR5 modules rated at 5200MHz with CL42 latency. Each stick is a 288-pin ECC Registered DIMM operating at 1.1V. The modules are built for select workstations and servers and will not work in standard desktop computers.

Sustained load behaviour

ECC Registered architecture detects and corrects single-bit errors during continuous operation, helping maintain data integrity under prolonged workloads. JEDEC-standard DDR5 signalling at 1.1V keeps power draw stable across all eight modules. The 1Rx4 organisation supports consistent throughput in multi-channel configurations.

Registered ECC requirement

This kit only fits systems that accept DDR5 ECC Registered RDIMMs; it cannot be used with unbuffered or load-reduced memory. Mixing registered and unbuffered modules will prevent the system from booting. Buyers who need standard desktop memory must choose a different product.

Points forts

  • ECC registered design protects data integrity in servers
  • 128GB kit with eight 16GB modules expands capacity
  • DDR5 5200 CL42 at 1.1V balances speed and efficiency
  • 288-pin RDIMM form factor fits compatible workstations
  • JEDEC and RoHS compliant for warranty-safe upgrades

Caractéristiques

BrandOWC
Part Number5R2D51R4128K
Capacity128GB (8 x 16GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 5200 (PC5 41600)
CAS LatencyCL42
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Questions sur cet article

Will the 1.1V DDR5 5200 CL42 RDIMMs generate noticeably more heat or fan noise when the server runs continuously?

The modules operate at the standard DDR5 voltage of 1.1V and carry no heat spreader, so they add minimal thermal load; most servers cool them with existing airflow.

What must the system already provide for this 8x16GB kit to function?

A workstation or server motherboard with eight 288-pin DDR5 RDIMM slots that support ECC registered 1Rx4 modules at 5200 MT/s and 1.1V.

Can these 1Rx4 ECC RDIMMs share channels with any 2Rx4 or 2Rx8 registered DIMMs already in the server?

Yes, provided the platform allows mixed-rank populations in the same channel; the kit is JEDEC-standard DDR5 5200 CL42 and follows normal registered-DIMM mixing rules.

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