The Lenovo ThinkSystem SR550 dual-socket 2U rack server is ideal for small to large organizations that need industry-leading reliability, management, and security, as well as cost-optimized performance, storage capacity, and flexible I/O. Designed to handle a wide range of workloads, the SR550 server cost-effectively performs complex analytics on structured and unstructured data, speeds transactional systems, and powers through collaboration workloads with ever-growing data sets and large files shared within an organization.
| Attribute | Specification |
|---|---|
| Form factor | 2U rack-mount. |
| Processor | Up to two Intel Xeon Bronze, Silver, Gold, or Platinum processors: Up to 20 cores (2.0 GHz core speeds) Up to 3.6 GHz core speeds (4 cores) Two UPI links up to 10.4 GT/s each Up to 27.5 MB cache Up to 2666 MHz memory speed |
| Chipset | Intel C622. |
| Memory | Up to 12 DIMM sockets (6 DIMMs per processor; six memory channels per processor with one DIMM per channel). Support for RDIMMs and LRDIMMs. Memory types cannot be intermixed. Memory speed up to 2666 MHz. |
| Memory capacity | With RDIMMs: Up to 384 GB with 12x 32 GB RDIMMs and two processors. |
| With LRDIMMs: Up to 768 GB with 12x 64 GB LRDIMMs and two processors. | |
| Memory protection | Error correction code (ECC), SDDC (for x4-based memory DIMMs), ADDDC (for x4-based memory DIMMs, requires Intel Xeon Gold or Platinum processors), memory mirroring, memory rank sparing, patrol scrubbing, and demand scrubbing. |
| Drive bays | 8 LFF SATA Simple Swap drive bays 8 LFF SAS/SATA hot-swap drive bays 12 LFF SAS/SATA hot-swap drive bays Up to 16 SFF hot-swap drive bays: 8x 2.5" SAS/SATA + 8x 2.5" SAS/SATA |
| Drive types | 3.5-inch non-hot-swap drives: 6 Gbps NL SATA HDDs up to 10 TB 3.5-inch hot-swap drives: 12 Gbps SAS HDDs up to 900 GB (2.5" HDD in a 3.5" tray) 12 Gbps NL SAS HDDs up to 16 TB 12 Gbps NL SAS HDD SEDs up to 4 TB 12 Gbps SAS SSDs up to 7.68 TB 6 Gbps NL SATA HDDs up to 16 TB 6 Gbps SATA SSDs up to 7.68 TB (2.5" SSD in a 3.5" tray) 2.5-inch hot-swap drives: 12 Gbps SAS HDDs up to 2.4 TB 12 Gbps Nearline (NL) SAS HDDs up to 2 TB 12 Gbps SAS HDD SEDs up to 600 GB 12 Gbps SAS SSDs up to 15.36 TB 6 Gbps NL SATA HDDs up to 2 TB 6 Gbps SATA SSDs up to 7.68 TB Internal M.2 SSDs: 6 Gbps SATA up to 480 GB Intermix of SAS/SATA HDDs/SSDs is supported within a system, but not within a RAID array. |
| Internal storage capacity | 3.5-inch models: Up to 192 TB with 12x 16 TB 3.5" HDDs 2.5-inch models: Up to 245.7 TB with 16x 15.36 TB 2.5" SSDs |
| Storage controller | 6 Gbps SATA Non-RAID: Onboard SATA AHCI RAID 0/1/10/5: Onboard SATA RAID (Intel RSTe) 12 Gbps SAS/6 Gbps SATA RAID RAID 0/1/10/5/50: RAID 530-8i RAID 730-8i 1GB Cache RAID 0/1/10/5/50/6/60: RAID 730-8i 2GB Flash RAID 930-8i 2GB Flash RAID 930-16i 4GB or 8GB Flash 12 Gbps SAS/6 Gbps SATA non-RAID: 430-8i or 16i HBA |
| Optical drive bays | None. Support for an external USB DVD RW Optical Disk Drive (See Optical drives). |
| Network interfaces | 2x Integrated 1 GbE RJ-45 ports (no 10/100 Mb support) Onboard LOM slot for two additional 1/10 Gb Ethernet ports: 2x 1 GbE RJ-45 ports (no 10/100 Mb support) 2x 10 GbE RJ-45 ports (no 10/100 Mb support) 2x 10 GbE SFP+ ports (no 10/100 Mb support) Optional Mezzanine LOM (ML2) slot for dual-port 10 GbE cards with SFP+ or RJ-45 connectors. 1x RJ-45 10/100/1000 Mb Ethernet systems management port. |
| I/O expansion slots | Up to six slots. Slot 4 is the fixed slots on the system planar, and the remaining slots depend on the riser cards installed. The slots are as follows: Slot 1: PCIe 3.0 x16 or PCIe 3.0 x8; full-height, half-length (PCIe x16 slot is double-wide) Slot 2: PCIe 3.0 x8; full-height, half-length (not present if the slot 1 is PCIe x16) Slot 3: PCIe 3.0 x8 or ML2 x8; full-height, half-length Slot 4: PCIe 3.0 x8; low profile (vertical slot on system planar) Slot 5: PCIe 3.0 x16; full-height, half-length Slot 6: PCIe 3.0 x8; full-height, half-length Slot 5 requires the second processor to be installed. |
| Ports | Front: 1x USB 2.0 port with XClarity Controller access. 1x USB 3.0 port. 1x VGA port (optional). Rear: 2x USB 3.0 ports and 1x VGA port. Optional 1x DB-9 serial port. |
| Cooling | Three (one processor) or four (two processors) non-hot-swap system fans with N+1 redundancy. |
| Power supply | Up to two redundant hot-swap 550 W or 750 W (100 - 240 V) High Efficiency Platinum or 750 W (200 - 240 V) High Efficiency Titanium AC power supplies. HVDC support (China only). |
| Video | Matrox G200 with 16 MB memory integrated into the XClarity Controller. Maximum resolution is 1920x1200 at 60 Hz with 32 bits per pixel. |
| Hot-swap parts | Drives (select models) and power supplies. |
| Systems management | XClarity Controller (XCC) Standard, Advanced, or Enterprise (Pilot 4 chip), proactive platform alerts, XClarity Provisioning Manager, XClarity Essentials, XClarity Administrator, XClarity Integrators for VMware vCenter and Microsoft System Center, XClarity Energy Manager, Capacity Planner. |
| Security features | Power-on password, administrator's password, secure firmware updates, Trusted Platform Module (TPM) 1.2 or 2.0 (configurable UEFI setting). Optional lockable front bezel. Optional Trusted Cryptographic Module (TCM) or Nationz TPM (available only in China). Optional Lenovo Business Vantage security software (available only in China). |
| Operating systems | Microsoft Windows Server 2012 R2, 2016, and 2019; Red Hat Enterprise Linux 6 (x64), 7, and 8; SUSE Linux Enterprise Server 11 (x64), 12, and 15; VMware vSphere (ESXi) 6.0, 6.5, 6.7, and 7.0. |
| Warranty | One-year (7X03) or three-year (7X04) customer-replaceable unit (CRU) and onsite limited warranty with 9x5 Next Business Day Parts Delivered. |
| Service and support | Optional service upgrades are available through Lenovo Services: 2-hour or 4-hour response time, 6-hour or 24-hour committed service repair, warranty extension up to 5 years, 1-year or 2-year post-warranty extensions, YourDrive Your Data, Enterprise Software Support, and Basic Hardware Installation Services. |
| Dimensions | Height: 87 mm (3.4 in), width: 445 mm (17.5 in), depth: 720 mm (28.3 in) |
| Weight | Minimum configuration: 19 kg (41.9 lb), maximum: 26 kg (57.3 lb) |