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Two green 240-pin DDR3L ECC registered DIMMs with black chips

OWC

OWC 16GB (2x8GB) DDR3L 1600 ECC Registered RDIMM memory upgrade

SKU CH-3YSD-VCJCD

16 GB DDR3L 1600 ECC registered kit for Cisco UCS B250 M2 and C250 M2 servers

  • Capacity16GB (2 x 8GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 CL11 speed boosts Cisco UCS B250 M2 and C250 M2 performance
  • Low 1.35 V voltage cuts power draw and heat
  • Two 8 GB modules deliver 16 GB total capacity
  • 240-pin RDIMM form factor fits compatible workstation and server slots

Target systems and purpose

This 16 GB kit contains two 8 GB DDR3L 1600 ECC registered RDIMM modules built for Cisco UCS B250 M2 and C250 M2 servers. It is designed for workstation, server, NAS and router platforms that require registered ECC memory and will not function in standard desktop computers.

DDR3L registered ECC constraints

The modules run at 1.35 V with CL11 latency on a 240-pin interface and must not be mixed with unbuffered or load-reduced ECC DIMMs. Systems that only accept unbuffered memory or a different voltage will not recognise these modules, and the registered buffer adds one clock cycle to command timing.

Installation notes

Each DIMM seats in a standard 240-pin DDR3 slot; the key notch position matches the DDR3L specification so the module only fits one way. The most common issue is attempting to install the kit in a consumer motherboard that lacks registered ECC support, which results in a no-post condition.

Highlights

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 CL11 speed boosts Cisco UCS B250 M2 and C250 M2 performance
  • Low 1.35 V voltage cuts power draw and heat
  • Two 8 GB modules deliver 16 GB total capacity
  • 240-pin RDIMM form factor fits compatible workstation and server slots

Specifications

BrandOWC
Part Number1R6T32R4016P
Capacity16GB (2 x 8GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B250 M2
Cisco UCS C250 M2

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Questions about this item

Should I pick the 2x8 GB kit or look for a single 16 GB module?

The kit supplies two matched 8 GB RDIMMs for dual-channel operation in the Cisco UCS B250 M2 or C250 M2.

What does the 1600 MHz rating mean once installed in my Cisco UCS server?

The modules run at DDR3L 1600 with CL11 latency, delivering the standard JEDEC data rate for those platforms.

Will the 240-pin DDR3L ECC Registered interface work in a regular desktop motherboard?

No — this is registered ECC DDR3L memory designed for workstation and server platforms such as the Cisco UCS B250 M2 and C250 M2.

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