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Green rectangular DDR3L RDIMM circuit board with gold edge contacts and black memory chips

OWC

OWC 1R6T31R408GB 8GB DDR3L 1600 ECC Registered RDIMM memory upgrade

SKU CH-S1ZD-F07V4

8GB DDR3L 1600 ECC registered RDIMM for Lenovo System x3300 M4, x3500 M4, x3530 M4, x3550 M4 and x3630 M4 servers

  • Total capacity8 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank1Rx4

Capacity 8GB

  • ECC registered design protects data integrity in servers
  • 35V DDR3L operation reduces power draw versus standard DDR3
  • Single 8GB 1Rx4 module simplifies capacity expansion
  • 1600MHz CL11 speed matches Lenovo System x3300 M4 x3500 M4 x3530 M4 x3550 M4 x3630 M4 specs
  • Direct replacement for Lenovo part numbers 00D5035 00D5036 46W0700 46W0771

OWC 8GB DDR3L 1600 ECC RDIMM

This OWC module is an 8GB DDR3L 1600 PC3L-12800 CL11 1Rx4 240-pin 1.35V ECC Registered RDIMM. It is built for Lenovo System x3300 M4, x3500 M4, x3530 M4, x3550 M4 and x3630 M4 servers and workstations. The part number is 1R6T31R408GB. It replaces Lenovo part numbers 00D5035, 00D5036, 46W0700 and 46W0771.

Suits ECC registered platforms only

This memory suits administrators upgrading or repairing the listed Lenovo System x M4 servers that require DDR3L ECC registered DIMMs. It will not work in standard desktop computers or consumer laptops. It cannot be mixed with unbuffered memory modules. Buyers who need unbuffered DDR3L or non-ECC memory should look at a different product line.

Check server model and slot requirements

Before ordering, confirm the exact Lenovo System x model matches x3300 M4, x3500 M4, x3530 M4, x3550 M4 or x3630 M4. Verify the system accepts 240-pin DDR3L 1.35V registered DIMMs and that the memory configuration supports 1Rx4 modules. Consult the server documentation for maximum capacity per slot and population rules.

How it compares

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

Price $23.99
Cheaper than about 88% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $3.00 per GB
Cheaper than about 90% 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 number1R6T31R408 GB
Total capacity8 GB
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsLenovo System x3300 M4
Lenovo System x3500 M4
Lenovo System x3530 M4
Lenovo System x3550 M4
Lenovo System x3630 M4

Other versions of this model

5 more in the same range

Questions about this item

Does my server need a 240-pin DDR3L ECC registered DIMM slot to accept this 8GB module?

Yes, this module is a 240-pin DDR3L ECC registered RDIMM and requires a matching slot in a compatible Lenovo System x3300 M4, x3500 M4, x3530 M4, x3550 M4 or x3630 M4 server.

Can I install this 1Rx4 CL11 1.35V module alongside unbuffered DDR3L DIMMs already in the system?

No, the manufacturer highlights state this ECC registered memory cannot be mixed with unbuffered memory.

How can I verify the module is running at DDR3L 1600 PC3L-12800 CL11 after installation?

Check the BIOS or system management utility; it should report 1600 MHz speed, CL11 latency and 1.35 V operation for the installed DIMM.

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