Product Description
Hynix (SK Hynix) 8GB DDR3 ECC Registered RDIMM – 1Rx4 Organization
This Hynix HMT31GR7CFR4C-PBT8AE is an 8GB DDR3 server memory module with ECC. Featuring a 1Rx4 (Single Rank, x4) organization and 1333MHz speed, it is designed for servers that utilize single-rank modules to achieve optimal memory channel population and performance in legacy 1U and 2U rackmount systems.
Key Specifications:
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Capacity: 8GB
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Type: DDR3 SDRAM with ECC
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Speed: 1333 MHz (PC3-10600R)
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Voltage: 1.5V
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Module Type: 240-pin ECC Registered DIMM (RDIMM)
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Organization: 1Rx4 (Single Rank, x4)
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Part Number: HMT31GR7CFR4C-PBT8AE
Compatibility & Applications:
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Target Systems: Compatible with a wide range of DDR3-era servers, including Dell PowerEdge R610/R710, HP ProLiant DL360 G7, IBM System x3550 M3, and Supermicro X8/X9 platforms.
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Primary Use: Repair, maintenance, or partial upgrade of aging enterprise servers, test lab equipment, and embedded systems still reliant on the DDR3 platform.
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⚠ Important Note: 1Rx4 modules have specific population guidelines. They are typically not interchangeable with dual-rank modules (2Rx4, 2Rx8) within the same memory channel. Consult your server’s technical documentation.



