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Two green 240-pin DDR3 ECC RDIMM modules in anti-static bags

OWC

OWC 16GB DDR3 1333 ECC RDIMM 2Rx4 Kit Lenovo x3550 M3 x3620 M3 x3630 M3 x3650 M3 x3850 X5

SKU CH-3K3X-HY7C0

16 GB DDR3 1333 ECC registered kit for Lenovo x3550 M3, x3620 M3, x3630 M3, x3650 M3 and x3850 X5 servers

  • Capacity16GB (2 x 8GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • ECC registered design prevents data errors in critical server workloads
  • 16 GB kit (2 × 8 GB) doubles capacity for Lenovo System x3550 M3, x3620 M3, x3630 M3, x3650 M3, x3850 X5
  • DDR3 1333 CL9 at 1.5 V matches factory specifications for stable operation
  • 240-pin 2Rx4 RDIMM form factor fits designated slots without modification
  • Replaces Lenovo part numbers 0A89412, 46C0542, 46C7449, 46U3419, 49Y1436, 49Y1446, 57Y4427, 67Y0017, 67Y1464

16 GB DDR3 ECC RDIMM kit for Lenovo servers

This 16 GB kit contains two 8 GB DDR3 1333 registered DIMMs built for Lenovo System x3550 M3, x3620 M3, x3630 M3, x3650 M3 and x3850 X5 servers. It targets administrators who need to expand memory capacity in these specific platforms.

ECC registered modules replace listed Lenovo part

The modules operate at 1.5 V with CL9 latency and a 2Rx4 organisation. They serve as direct replacements for Lenovo part numbers 0A89412, 46C0542, 46C7449, 46U3419, 49Y1436, 49Y1446, 57Y4427, 67Y0017 and 67Y1464.

Verify registered ECC support

This memory will not work in standard desktop computers and cannot be mixed with unbuffered modules. Check your server documentation for supported DIMM configurations and maximum capacity per channel before ordering.

Ciri-ciri utama

  • ECC registered design prevents data errors in critical server workloads
  • 16 GB kit (2 × 8 GB) doubles capacity for Lenovo System x3550 M3, x3620 M3, x3630 M3, x3650 M3, x3850 X5
  • DDR3 1333 CL9 at 1.5 V matches factory specifications for stable operation
  • 240-pin 2Rx4 RDIMM form factor fits designated slots without modification
  • Replaces Lenovo part numbers 0A89412, 46C0542, 46C7449, 46U3419, 49Y1436, 49Y1446, 57Y4427, 67Y0017, 67Y1464

Spesifikasi

BrandOWC
Part Number1R3D32R4016P
Capacity16GB (2 x 8GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo System x3550 M3
Lenovo System x3620 M3
Lenovo System x3630 M3
Lenovo System x3650 M3
Lenovo System x3850 X5

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Will the 2Rx4 registered ECC DIMMs need any firmware updates or battery-backed maintenance over time?

No firmware or battery maintenance is required; the modules are standard JEDEC DDR3 1333 CL9 1.5 V registered ECC DIMMs that operate without host-side updates.

What thermal or power limit appears first when the kit runs continuously at 1333 MHz in a fully populated server?

Each DIMM draws 1.5 V with no heat spreader, so the platform's memory-subsystem airflow and voltage-regulator thermal design become the limiting factor before the modules themselves throttle.

How much additional power and acoustic load do the two 8 GB modules add when the system runs all day?

The kit adds only the nominal 1.5 V DDR3 power of two registered DIMMs; no active cooling is on the modules, so any extra fan noise comes from the server's existing thermal management.

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