Micron 32GB DDR5-4800 ECC UDIMM SoDIMM 2Rx8 — MTC20C2085S1TC48BA1R
The Micron MTC20C2085S1TC48BA1R is a 32GB DDR5-4800 ECC Unbuffered SO-DIMM operating at 4800MHz (PC5-38400) with CL40 latency at 1.1V in Dual Rank x8 configuration. The 262-pin SoDIMM form factor targets workstations laptops and embedded platforms supporting ECC DDR5 SO-DIMM. The R suffix denotes the Renesas register component variant of the BA1 base revision.
Key Features
- 262-pin SoDIMM — compact form factor for laptops workstations and embedded platforms
- ECC Unbuffered — error correction without register buffer
- DDR5-4800 — base DDR5 speed tier
- Renesas component variant (R suffix)
- Dual Rank x8 (2Rx8)
Product Specifications
- Part Number: MTC20C2085S1TC48BA1R
- Manufacturer: Micron
- Base Part: MTC20C2085S1TC48BA1
- Capacity: 32GB
- Type: DDR5 ECC UDIMM (SoDIMM)
- Speed: 4800MHz (PC5-38400)
- CAS Latency: CL40
- Voltage: 1.1V
- Ranks x Width: 2Rx8
- Pins: 262-pin
Memory Specifications
- Bandwidth: PC5-38400 (38.4 GB/s theoretical)
- On-Die ECC: Yes (DDR5 standard)
- Buffer Type: Unbuffered — no register between controller and DRAM
Use Cases
- Workstations and laptops supporting ECC DDR5 SO-DIMM
- Embedded and industrial platforms requiring ECC DDR5 in SoDIMM form factor
- Mobile workstation upgrades requiring 32GB ECC DDR5 per slot
Compatibility
- 262-pin DDR5 SO-DIMM slots on platforms supporting ECC UDIMM DDR5
- Intel Core Ultra and AMD Ryzen Pro mobile/embedded platforms with ECC support
- Not compatible with 288-pin DIMM slots or DDR4 platforms
- Verify platform ECC SO-DIMM DDR5 support before installation
Frequently Asked Questions
- What does the R suffix mean in MTC20C2085S1TC48BA1R?
- The R suffix indicates a Renesas component variant. Electrical specifications are identical to MTC20C2085S1TC48BA1 — the difference is the component vendor used in manufacturing.
- What is the difference between MTC20C2085S1TC48BA1R and MTC20C2085S1EC48BA1?
- MTC20C2085S1TC48BA1R is a 262-pin SoDIMM (TC = SoDIMM form factor) while MTC20C2085S1EC48BA1 is a 288-pin DIMM (EC = standard DIMM). Both are 32GB DDR5-4800 ECC UDIMM 2Rx8 but in different form factors.
- Is ECC SoDIMM compatible with non-ECC SoDIMM slots?
- ECC SoDIMMs may operate in non-ECC slots with ECC disabled depending on platform support. Verify your platform”s ECC SoDIMM compatibility before installation.
The Micron MTC20C2085S1TC48BA1R delivers 32GB DDR5-4800 ECC unbuffered memory in 262-pin SoDIMM 2Rx8 configuration with Renesas component — for laptops workstations and embedded platforms supporting ECC DDR5 SO-DIMM.


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