4GB (1x4GB) DDR3-1600 PC3-12800R ECC Registered RDIMM 240-Pin Server Memory RAM for Servers and Workstations

Reliable server-grade memory upgrade for enterprise servers and workstation platforms that require 240-pin DDR3 ECC Registered RDIMM memory. This 4GB module is rated at PC3-12800R / DDR3-1600 and is designed for use in compatible server and workstation systems that support registered ECC memory. It is ideal for repairing, upgrading, or maintaining legacy enterprise hardware where stability, ECC protection, and platform compatibility are essential.

Technical Specifications

• Capacity: 4GB (1x4GB)
• Memory Type: DDR3 SDRAM
• Speed Rating: PC3-12800R / DDR3-1600
• Operating Speed: Up to 1600MHz depending on processor, chipset, and memory population; some systems may operate this module at 1333MHz or 1066MHz
• Form Factor: 240-pin DIMM
• ECC: Yes
• Buffered / Registered: Registered DIMM (RDIMM)
• Voltage: 1.5V
• Rank: Varies by manufacturer / revision
• Compatibility: Servers and workstation platforms that support 240-pin DDR3 ECC Registered RDIMM memory
• Notes: Not compatible with desktop systems, laptops, or platforms that require UDIMM, SODIMM, LRDIMM, DDR4, or DDR5 memory

Interchangeable / Replacement Part Numbers

• 03T8397, 03X4324, 0A65732, 47J0164, 90Y3145, 90Y3147, 90Y3148, 90Y3153, 647648-071, 647648-571, 647873-B21, 647895-B21, 647895-S21, 664689-001, 676331-B21, 676811-001, 682416-001, 687459-001, A2Z49AAR, A2Z49ATR, JJNC7, SNPD65JJC-4G, HMT351R7BFR4C-PB, HMT351R7CFR4C-PB, HMT351R7CFR8C-PB, M393B5270DH0-CK0Q8, M393B5273CH0-CK0, M393B5273DH0-CK0, MT18JDF51272PDZ-1G6, MT18JDF51272PDZ-1G6M1, MT18JDF51272PZ-1G6, MT18JSF51272PDZ-1G6, MT18JSF51272PZ-1G6, MT18JSF51272PZ-1G6K1FE, MT9JSF51272PZ-1G6, S26361-F3695-L514, S26361-F3695-L614, S26361-F3697-E514, S26361-F3697-L514, S26361-F3697-L614, S26361-F3781-E514, S26361-F3781-E614, S26361-F3781-L514, S26361-F3781-L614

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system's specific configuration. It's essential to verify compatibility with your server or workstation manufacturer prior to installation.

✔️ Dell PowerEdge: C6145, C6220, C8220, C8220x, R320, R415, R420, R515, R520, R620, R715, R720, R720XD, R815, T320, T420
✔️ Dell Precision: R7610
✔️ HP ProLiant Rack Servers: DL160 G8, DL360e G8, DL360p G8, DL380e G8, DL380p G8, DL385p G8, DL560 G8
✔️ HP ProLiant Tower Servers: ML350e G8, ML350p G8
✔️ HP ProLiant SL / Blade Systems: SL230s G8, SL250s G8, SL270s G8, BL420c G8, BL460c G8, BL660c G8, WS460c G8
✔️ Lenovo / IBM System x: x3300 M4, x3500 M4, x3550 M4, x3630 M4, x3650 M4
✔️ Lenovo Flex / NeXtScale: Flex System x240 Compute Node, NeXtScale nx360 M4
✔️ Server / Workstation Platforms: Other enterprise systems that specifically support 240-pin DDR3 ECC Registered RDIMM memory at 1.5V

☑️ Key Features

☑️ 4GB server memory module for systems that require DDR3 ECC Registered RDIMM memory
☑️ PC3-12800R / DDR3-1600 speed rating for compatible server and workstation platforms
☑️ ECC support helps improve data integrity and system stability in enterprise environments
☑️ Registered RDIMM design for use in supported server boards and professional workstation platforms
☑️ 240-pin form factor for a wide range of legacy server and workstation memory slots
☑️ Suitable for repair, maintenance, upgrades, and capacity expansion in compatible enterprise systems

⚙️ Fit Notes

• Verify that your system specifically requires DDR3 ECC Registered RDIMM memory before ordering.
• This module is not compatible with standard desktop DDR3, laptop SODIMM, UDIMM, or LRDIMM-only systems.
• Memory speed may automatically downclock based on the installed processor, BIOS, chipset, and overall DIMM population.
• For best results, install memory in matched configurations according to your system manufacturer’s population rules.
• Always confirm total supported capacity per slot, memory rank support, and voltage compatibility before installation.
• In mixed-memory environments, all installed modules must remain compatible with the platform’s required memory type and configuration rules.