Lenovo ThinkSystem ST550 Server Upgrades - Guaranteed Compatible Memory

MOST POPULAR MEMORY UPGRADE
128GB DDR4-2666 PC4-21300 ECC Load Reduced 8Rx4 Memory

768GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 12 pieces of 128GB RAM in this kit.

Unit Price: $20,250.00

Part No: 11834801

In Stock: Guaranteed to ship on Monday, May 17.

128GB DDR4-2666 PC4-21300 ECC Load Reduced 8Rx4 Memory

768GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 12 pieces of 128GB RAM in this kit.

Unit Price: $20,250.00

Part No: 11834801


128GB DDR4-2666 PC4-21300 ECC Load Reduced 8Rx4 Memory

768GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 12 pieces of 128GB RAM in this kit.

Unit Price: $20,250.00

Part No: 11834768


64GB DDR4-2666 PC4-21300 ECC Load Reduced 4Rx4 Memory

768GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 12 pieces of 64GB RAM in this kit.

Unit Price: $10,980.00

Part No: 11686740


64GB DDR4-2666 PC4-21300 ECC Load Reduced 4Rx4 Memory

768GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 12 pieces of 64GB RAM in this kit.

Unit Price: $10,980.00

Part No: 11554340


32GB DDR4-2666 PC4-21300 2Rx4 ECC Registered Memory

384GB DDR4-2666 (PC4-21300) ECC Registered Memory Kit

There are 12 pieces of 32GB RAM in this kit.

Unit Price: $3,840.00

Part No: 11554338


128GB DDR4-2666 PC4-21300 ECC Load Reduced 8Rx4 Memory

128GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 2 pieces of 128GB RAM in this kit.

Unit Price: $3,375.00

Part No: 11834769


128GB DDR4-2666 PC4-21300 ECC Load Reduced 8Rx4 Memory

128GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 2 pieces of 128GB RAM in this kit.

Unit Price: $3,375.00

Part No: 11834802


8GB DDR4-3200 PC4-25600 SODIMM Memory

384GB DDR4-2666 (PC4-21300) ECC Registered Memory Kit

There are 12 pieces of 8GB RAM in this kit.

Unit Price: $661.50

Part No: 12058201


32GB DDR4-3200 PC4-25600 2Rx4 ECC Registered Memory

384GB DDR4-2666 (PC4-21300) ECC Registered Memory Kit

There are 12 pieces of 32GB RAM in this kit.

Unit Price: $4,734.72

Part No: 12053766


64GB DDR4-2666 PC4-21300 ECC Load Reduced 4Rx4 Memory

128GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 2 pieces of 64GB RAM in this kit.

Unit Price: $1,830.00

Part No: 11554339


64GB DDR4-2666 PC4-21300 ECC Load Reduced 4Rx4 Memory

128GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 2 pieces of 64GB RAM in this kit.

Unit Price: $1,830.00

Part No: 11686739


32GB DDR4-2666 PC4-21300 ECC Load Reduced Memory

64GB DDR4-2666 (PC4-21300) ECC Load Reduced Memory Kit

There are 2 pieces of 32GB RAM in this kit.

Unit Price: $900.00

Part No: 11554336


32GB DDR4-2666 PC4-21300 2Rx4 ECC Registered Memory

64GB DDR4-2666 (PC4-21300) ECC Registered Memory Kit

There are 2 pieces of 32GB RAM in this kit.

Unit Price: $640.00

Part No: 11554337


32GB DDR4-3200 PC4-25600 2Rx4 ECC Registered Memory

64GB DDR4-2666 (PC4-21300) ECC Registered Memory Kit

There are 2 pieces of 32GB RAM in this kit.

Unit Price: $789.12

Part No: 12053765


8GB DDR4-3200 PC4-25600 SODIMM Memory

64GB DDR4-2666 (PC4-21300) ECC Registered Memory Kit

There are 2 pieces of 8GB RAM in this kit.

Unit Price: $110.25

Part No: 12058202


16GB DDR4-2666 PC4-21300 2Rx8 ECC Registered Memory

32GB DDR4-2666 (PC4-21300) ECC Registered Memory Kit

There are 2 pieces of 16GB RAM in this kit.

Unit Price: $325.00

Part No: 11554335

Lenovo ThinkSystem ST550 Server System Details

System Information
  • ECC: TRUE
  • Registered: Yes
  • Form Factor: RDIMM / LRDIMM
  • Module Type: PC4-21300
  • Maximum Memory: 384GB Registered / 768GB Load Reduced
  • Total Memory Slots: 12
  • System Type: Server
  • Technician's Note: The ST550 supports either Registered ECC or Load-Reduced ECC RAM. The ST550 does not support mixing of Registered and Load-Reduced memory.
Other Information

To confirm you are installing the correct type of memory, we provide the system specifications for your Lenovo ThinkSystem ST550 Server. Your computer will only support a specific type of memory module chip. Using the Memory Finder on Silicon Mountain Memory ensures that the memory found here for your ThinkSystem ST550 Server will be compatible - guaranteed or your money back.

Shop confidently knowing that the ThinkSystem ST550 Server memory upgrade you purchase from Silicon Mountain Memory comes with a lifetime warranty and is always tested for quality.

Total Protection Package

Performance Performance

Noticeably improve your system's performance or your money back

Compatibility Compatibility

100% compatible memory for your system

Quality Quality

7 levels of rigorous testing and a lifetime warranty

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