Complete Supermicro X12STH-F (C256) compatible memory guide. This Micro-ATX motherboard supports DDR4 ECC UDIMM across 4 slots with a maximum capacity of 128GB. Find the best compatible RAM and SSD upgrades below.
Supermicro X12STH-F Memory Specifications

| Specification | Details |
|---|---|
| Chipset | C256 |
| Socket | LGA 1200 |
| CPU Support | Intel Xeon E-2300 |
| Memory Type | DDR4 ECC UDIMM |
| Memory Slots | 4 |
| Max Capacity | 128GB |
| Supported Speeds | 3200MHz |
| M.2 Slots | 2 |
| SATA Ports | 6 |
| Form Factor | Micro-ATX |
Recommended RAM
Kingston Server Premier 32GB DDR4 ECC UDIMM
Enterprise-grade ECC memory. Validated for server and workstation use.
Check Price on Amazon UK
Enterprise-grade ECC memory. Validated for server and workstation use.
Check Price on Amazon UK
Samsung 32GB DDR4 ECC UDIMM
OEM-quality ECC module. Wide compatibility across all server brands.
Check Price on Amazon UK
OEM-quality ECC module. Wide compatibility across all server brands.
Check Price on Amazon UK
Compatible SSD Upgrades
The Supermicro X12STH-F features 2 M.2 slot(s) and 6 SATA ports for storage expansion.
Samsung 990 Pro 2TB NVMe
Top-tier Gen 4 NVMe. Excellent for boot drive and primary storage.
Check Price on Amazon UK
Top-tier Gen 4 NVMe. Excellent for boot drive and primary storage.
Check Price on Amazon UK
Frequently Asked Questions
What RAM is compatible with Supermicro X12STH-F?
The Supermicro X12STH-F supports DDR4 ECC UDIMM memory across 4 slots with speeds up to 3200MHz and a maximum capacity of 128GB.
How many M.2 slots does Supermicro X12STH-F have?
The Supermicro X12STH-F has 2 M.2 slot(s) for NVMe or SATA SSDs, plus 6 SATA ports for additional drives.
Related Supermicro Upgrade Guides
- Supermicro H13SSL-N
- Supermicro X13SRA-TF
- Supermicro X13SAE
- Supermicro X13SAE
- Supermicro X12DAi-N6
- Supermicro Upgrade Guide
Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.


