Lenovo ThinkSystem SD530
The ThinkSystem SD530 was Lenovo's modular 2U 4-node ultra-dense multi-node server designed for high-performance computing (HPC), enterprise grid clusters, large-scale financial simulation, and cloud service provider scale-out architectures. Built around the modular ThinkSystem D2 Enclosure, each 2U chassis holds four independent half-width SD530 compute sleds, packing 8 Intel Xeon Scalable processors, 64 DDR4 DIMMs, and up to 24 SFF drives into just 2U of rack space. It delivered high density while utilizing shared power supply modules and common high-efficiency cooling fans. In the secondary and liquidation marketplace, it is popular for private compute grids. Buyers should confirm node sled sled-latch condition, check D2 chassis power supply distribution, and verify midplane connectivity across all four bays.
Also written as: ThinkSystem SD530, SD530 2U4N, ThinkSystem D2 Enclosure, 7X21
Specifications
| Brand | Lenovo |
|---|---|
| Family | ThinkSystem SD |
| Form factor | 2U 4-node |
| Released | Jul 2017 |
| End of sale | Mar 2023 |
| Cpu sockets | 2 |
| Cpu platform | Dual Intel Xeon Scalable 1st Gen (Skylake-SP) or 2nd Gen (Cascade Lake-SP) processors up to 165W TDP per node (8 CPUs per 2U chassis) |
| Memory slots | 16 |
| Memory type | DDR4-2666 / DDR4-2933 RDIMM / LRDIMM |
| Memory max (GB) | 1,024 |
| Drive bays | Up to 6x 2.5-inch SFF hot-swap bays per node (up to 24 drives per 2U D2 chassis) |
| Pcie slots | Up to 2 PCIe 3.0 slots plus 1 dedicated LOM slot per node |
| Network onboard | Modular LOM slot per node plus shared chassis Scalable Infrastructure Management Controller |
| Power supply | Shared redundant 1600W / 2000W AC 80 PLUS Platinum power supplies in D2 chassis |
Reference prices (last 14 days, updated 2026-10-27)
Refurbished: USD 5,800 (1 sighting, Oct 2026)
Used: USD 3,400 (1 sighting, Oct 2026)
All sightings
| Seller | Condition | Price | Note | Seen |
|---|---|---|---|---|
| ebay.com | used | USD 3,400 | Complete D2 chassis with 4x SD530 nodes (each with 2x Xeon Silver 4114, 32GB RAM), dual 2000W PSUs | 2026-10-27 |
| serversupply.com | refurbished | USD 5,800 | 4-node complete refurbished system with 2nd Gen Xeon Silver processors and warranty | 2026-10-27 |
Prices seen on public listings on the dates shown, before tax and shipping. Not an offer.
Compatible parts
Memory
- 4X77A08631 Lenovo ThinkSystem 16GB TruDDR4 2933MHz (1Rx4 1.2V) RDIMM
- 4X77A08633 ThinkSystem 32GB TruDDR4 2933MHz (2Rx4 1.2V) RDIMM
- 4X77A08635 Lenovo ThinkSystem 64GB TruDDR4 2933MHz (2Rx4 1.2V) RDIMM
HBAs
- 7Y37A01088 Lenovo ThinkSystem 430-8i SAS/SATA 12Gb HBA
SSDs
- 4XB7A17128 ThinkSystem 2.5" S4620 3.84TB Mixed Use SATA 6Gb HS SSD
Equivalent models from other brands
- Dell Poweredge C6420
- HPE Apollo 2000 Gen10
Buying a used SD530: what to check
Inspect D2 chassis midplane connector pins for each sled bay, verify sled retention levers and locking pins, ensure shared 2000W power supplies and chassis fan modules are functional, and confirm whether nodes are populated with 1st or 2nd Gen Xeon CPUs.
FAQ
How many independent servers fit in a 2U D2 enclosure with SD530?
The D2 enclosure accommodates four independent two-socket SD530 server nodes, providing a total of 8 processors in 2U.
Are the power supplies shared across all four nodes in the SD530?
Yes, the 2U D2 chassis uses shared, redundant 1600W or 2000W power supplies and centralized fan zones to maximize electrical efficiency.
What processors are compatible with the SD530 sled?
Each node supports dual 1st or 2nd Gen Intel Xeon Scalable processors up to 165W TDP.
Buying or selling SD530?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Lenovo ThinkSystem SD530 Server Product Guide, checked 2026-10-27