The SuperServer SYS-221H (2023) is a enterprise server with extensive upgrade potential. This guide covers RAM, storage, and compatibility details. For more Supermicro server guides, visit our Supermicro Servers category.
SuperServer SYS-221H Specifications
| Component | Specification |
|---|---|
| Processor | Dual Intel Xeon Scalable 4th/5th Gen (Sapphire Rapids) |
| Chipset | Intel C741 |
| RAM Type | DDR5-4800 ECC RDIMM / LRDIMM |
| RAM Slots | 32 DIMM slots (16 per CPU) |
| Max RAM | 8 TB (32x 256GB LRDIMM) |
| Storage | NVMe / SAS / SATA hot-swap, up to 24x SFF bays, Broadcom 3916 RAID controller |
| Form Factor | 2U Rack |
| Release Year | 2023 |
SuperServer SYS-221H RAM Upgrade Guide
The SuperServer SYS-221H supports DDR5-4800 ECC RDIMM / LRDIMM across 32 DIMM slots (16 per CPU), for a maximum of 8 TB (32x 256GB LRDIMM). This system requires ECC (Error-Correcting Code) memory for data integrity in mission-critical workloads.
Compatible RAM
- Kingston Server Premier ECC — Enterprise-grade ECC memory with proven server compatibility.
- Samsung ECC RDIMM — OEM-quality registered ECC modules used in data centres worldwide.
- Crucial ECC UDIMM/RDIMM — Reliable ECC memory with excellent compatibility across server platforms.
SuperServer SYS-221H Storage Upgrade Guide
The SuperServer SYS-221H supports NVMe / SAS / SATA hot-swap, up to 24x SFF bays, Broadcom 3916 RAID controller. 2U GPU-optimised platform. Supports up to 8 single-width or 4 double-width GPUs.
Recommended Storage
- Samsung 990 Pro NVMe — Flagship NVMe with exceptional speed and endurance for workstation use.
- WD Red Pro / WD Black SN850X — High-reliability drives suited for server and workstation environments.
- Samsung 870 EVO SATA SSD — Reliable SATA SSD with excellent endurance for server boot drives.
- Seagate IronWolf / WD Red Plus — NAS-grade HDDs rated for 24/7 operation in server environments.
Upgrade Notes
DDR5 with CXL support. 32 DIMM slots across dual CPUs. Ideal for AI/ML training.
Frequently Asked Questions
What type of RAM does the SuperServer SYS-221H use?
The SuperServer SYS-221H uses DDR5-4800 ECC RDIMM / LRDIMM across 32 DIMM slots (16 per CPU), supporting up to 8 TB (32x 256GB LRDIMM).
Can I mix RAM sizes in the SuperServer SYS-221H?
While technically possible, mixing RAM sizes is not recommended for servers. Use matched pairs or sets for optimal performance and stability.
What storage options does the SuperServer SYS-221H support?
The SuperServer SYS-221H supports NVMe / SAS / SATA hot-swap, up to 24x SFF bays, Broadcom 3916 RAID controller.
Is ECC RAM required for the SuperServer SYS-221H?
Yes, the SuperServer SYS-221H requires ECC memory for reliable operation. Non-ECC modules will not be recognised.
Recommended Products
All links go to Amazon UK where you can check current prices and availability.
| Product | Why We Recommend It | Amazon UK |
|---|---|---|
| Kingston Server Premier ECC | Enterprise-grade ECC memory. | View on Amazon UK |
| Samsung ECC RDIMM | OEM-quality registered modules. | View on Amazon UK |
| Crucial ECC Memory | Reliable ECC with wide compatibility. | View on Amazon UK |
| Samsung 990 Pro NVMe | Flagship NVMe for workstation use. | View on Amazon UK |
| Samsung 870 EVO SATA SSD | Reliable SATA SSD for boot drives. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.