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Favori ürünler Giriş yap
Two green DDR5 ECC registered RDIMM modules with gold contacts

OWC

OWC 256GB (2x128GB) DDR5 4800 CL40 ECC Registered RDIMM memory upgrade

SKU CH-655J-G8BYX

256 GB kit of two 128 GB DDR5 4800 ECC registered RDIMMs for Lenovo ThinkSystem SD650 V3, SD650-I V3, SD665 V3, SD665-N V3 and SR630 V3 servers

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 256GB (2 x 128GB)

  • 256 GB total capacity from two 128 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 latency at 1.1 V operating voltage
  • ECC registered 4Rx4 design for server data integrity
  • Validated for ThinkSystem SD650 V3 SD650-I V3 SD665 V3 SD665-N V3 SR630 V3

Server-grade DDR5 upgrade kit

This 256 GB kit supplies two 128 GB DDR5 4800 CL40 registered ECC RDIMMs built for Lenovo ThinkSystem SD650 V3, SD650-I V3, SD665 V3, SD665-N V3 and SR630 V3 servers. It targets IT teams expanding memory capacity in compatible rack or dense-compute platforms.

288-pin registered ECC modules

Each stick uses a 4Rx4 organisation at 1.1 V with no heat spreader, fitting standard DDR5 RDIMM slots in the listed systems. The registered buffer and on-die ECC maintain data integrity under sustained workloads but prevent use in consumer desktops or alongside unbuffered or load-reduced DIMMs.

JEDEC-compliant matched pair

The two modules are tested together to meet JEDEC and RoHS standards, delivering a warranty-safe upgrade that preserves the server’s original firmware validation. No extra cables, brackets or software licences are included in the package.

Öne çıkanlar

  • 256 GB total capacity from two 128 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 latency at 1.1 V operating voltage
  • ECC registered 4Rx4 design for server data integrity
  • Validated for ThinkSystem SD650 V3 SD650-I V3 SD665 V3 SD665-N V3 SR630 V3

Teknik özellikler

BrandOWC
Part Number4R8D54R4256P
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkSystem SD650 V3
Lenovo ThinkSystem SD650-I V3
Lenovo ThinkSystem SD665 V3
Lenovo ThinkSystem SD665-N V3
Lenovo ThinkSystem SR630 V3

Bu modelin diğer sürümleri

Aynı seriden 5 tane daha

Aynı aile, farklı bellek, soğutucu veya frekans — karar vermeden önce karşılaştırın.

Bu ürünle ilgili sorular

What DDR5 speed does the PC5-38400 rating actually run at?

The kit runs at DDR5 4800, which is the JEDEC-standard speed for the PC5-38400 designation.

What physical slot and clearance does a 288-pin 4Rx4 RDIMM need?

It fits a standard 288-pin DDR5 DIMM slot; the modules have no heat spreader, so they fit in tight 1U server bays.

What is the correct order for populating the two 128 GB modules in a ThinkSystem SR630 V3?

Install one module per processor socket, using the first channel slot indicated in the server's memory population guide.

Bu reyondan diğerleri

Müşteriler bunları karşılaştırdı

Aynı raf, aynı sipariş tamamlama — sekiz koin ve 30 dakikalık kur kilidi.