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Four green DDR4 LRDIMM sticks with gold contacts

OWC

OWC 512GB (4x128GB) DDR4 2933 CL21 ECC LRDIMM 288-pin 1.2V memory upgrade

SKU CH-P8WV-V86BK

512 GB kit of four 128 GB DDR4 2933 CL21 ECC load-reduced DIMMs for Dell PowerEdge servers

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank8Rx4

Capacity 512GB (4 x 128GB)

  • Massive 512GB capacity from four 128GB modules
  • DDR4 2933 speed with CL21 latency for responsive server workloads
  • ECC load-reduced design protects data integrity in critical applications
  • Low 1.2V operation reduces power draw and heat output
  • Validated for Dell PowerEdge FC640, M640, MX740c, MX840c and R640

Kit de mémoire 512 Go ECC Load Reduced pour

Ce kit OWC rassemble quatre modules LRDIMM DDR4 de 128 Go chacun, cadencés à 2933 MHz (PC4-23400) avec latence CL21 et tension 1,2 V. La correction d'erreur ECC et la technologie Load Reduced ciblent les stations de travail et serveurs Dell PowerEdge FC640, M640, MX740c, MX840c et R640.

Pour infrastructures serveurs certifiées uniquement

L'architecture Load Reduced 8Rx4 ne fonctionne qu'avec les plateformes serveurs listées ; elle est incompatible avec les ordinateurs de bureau standards, la mémoire non tamponnée ou la mémoire ECC Registered classique. Les acheteurs recherchant de la RAM grand public ou un format SODIMM doivent choisir une autre référence.

Vérifier l'exigence Load Reduced du serveur

Le facteur décisif est le support natif de la mémoire ECC Load Reduced par la carte mère du PowerEdge ciblé ; sans cette prise en charge explicite, les modules ne démarreront pas.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $2,955.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.77 per GB
Cheaper than about 67% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number2L9D48R4512S
Total capacity512 GB (4 × 128 GB)
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeLoad Reduced
Memory rank8Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell PowerEdge FC640
Dell PowerEdge M640
Dell PowerEdge MX740c
Dell PowerEdge MX840c
Dell PowerEdge R640

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the 512GB kit is running at 2933 CL21 after installation?

Check the server BIOS or iDRAC memory configuration screen; it should report each of the four 128GB LRDIMMs at PC4-23400 2933MHz with CAS latency 21 and 1.2V operation.

What does the 512GB kit contain and is anything else required?

The kit includes four 128GB 288-pin DDR4 ECC LRDIMM modules; no extra cables, brackets or software are needed for installation in a compatible Dell PowerEdge server.

Which capacity version should I choose for a Dell PowerEdge R640?

This 512GB (4×128GB) kit fills four DIMM slots; select it when the R640 configuration calls for 128GB LRDIMMs at 2933MHz CL21 to reach the desired total memory.

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