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Green circuit board with black memory chips and gold contacts 288 pin DIMM

Lenovo

Lenovo ThinkSystem C1G7 16GB DDR5 5600MHz ECC UDIMM

SKU CH-Q2J2-22Q9T

16 GB DDR5 ECC UDIMM running at 5600 MHz with 288-pin single-rank design for Lenovo ThinkSystem servers

  • Total capacity16 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ECC supportECC
  • 16GB DDR5 5600MHz capacity accelerates data-intensive workloads
  • ECC protection detects and corrects memory errors for stable operation
  • Single-rank 288-pin UDIMM layout fits compatible ThinkSystem server slots
  • PC5-44800 TruDDR5 rating delivers high bandwidth for entry enterprise tasks
  • Optimised for Lenovo ST45 V3 platforms ensures validated compatibility

Server-grade DDR5 module

The Lenovo ThinkSystem C1G7 is a 16GB DDR5 UDIMM built for Lenovo ThinkSystem servers. It operates at 5600MHz with ECC protection and a single-rank 288-pin layout. The module uses TruDDR5 technology rated at PC5-44800 for entry-level enterprise workloads.

Best for supported ThinkSystem platforms

This memory suits administrators upgrading or populating Lenovo ST45 V3 servers that accept unbuffered ECC DDR5. Buyers who need registered DIMMs or higher-density modules should look at other parts. Systems that do not support unbuffered ECC DDR5 cannot use this module.

ECC UDIMM form factor decides fit

The 288-pin unbuffered DIMM with on-die error correction only works in platforms wired for DDR5 UDIMM ECC. Registered or non-ECC motherboards will not recognise the module. Verify the server memory specification lists UDIMM ECC before ordering.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $383.99
Pricier than about 80% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $24.00 per GB
Pricier than about 90% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameLenovo
Total capacity16 GB
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
ECC supportECC

Questions about this item

Does the 16GB DDR5 5600MHz ECC UDIMM need any scheduled maintenance or replacement during its service life?

Memory modules are solid-state components with no moving parts and no scheduled maintenance. They remain in service until a system upgrade or a hardware failure occurs.

What limit appears first when the 16GB DDR5 5600MHz ECC UDIMM runs sustained workloads?

The module operates at its rated 5600MHz speed. Under sustained load the first limit is the memory-controller bandwidth ceiling of the host server, not the DIMM itself.

How much heat and noise does the 16GB DDR5 5600MHz ECC UDIMM produce when running all day in a ThinkSystem server?

The unbuffered DIMM has no active cooling and generates only passive heat. Acoustic output is zero; thermal load is handled by the server’s existing airflow design.

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