Lenovo ThinkSystem SR550 Upgrade Guide
Maximize the performance and lifespan of your ThinkSystem SR550 (V1). Every upgrade option below is verified compatible.
10Upgrade Categories
4,831Options Available
768GB DDR4Max Memory
2CPU Sockets
8 SFFDrive Bays
End of Support Life: The ThinkSystem SR550 has reached end of support life.
Upgrading components extends its useful life and avoids costly replacement.
Verified Specifications
| Processor Options | Up to 2x Intel Xeon Scalable (1st or 2nd Gen) Bronze/Silver/Gold/Platinum, up to 22 cores, up to 3.8 GHz, 2x UPI links 10.4 GT/s, up to 30.25 MB cache |
| Memory Configuration | Up to 12 DIMM sockets (6 per CPU, 6 channels, 1 DPC); TruDDR4 RDIMMs and LRDIMMs; up to 2933 MHz |
| Drive Configurations | Up to 16x 2.5" SAS/SATA hot-swap, or up to 12x 3.5" SAS/SATA hot-swap, or 8x 3.5" hot-swap/simple-swap bays; max 491.52 TB (16x 30.72 TB 2.5" SSD) or 240 TB (12x 20 TB 3.5" HDD) |
| Power Supply Options | Up to 2x redundant hot-swap: 550 W or 750 W Platinum (100-240 V), or 750 W Titanium (200-240 V) AC |
| RAID Controllers | Onboard 6 Gb SATA AHCI / SATA RAID (Intel RSTe); 12 Gb SAS/SATA RAID adapters with up to 8 GB flash-backed cache; 12 Gb SAS/SATA HBA (non-RAID) |
| Networking Options | 2x integrated 1 GbE RJ-45; LOM slot for 2x 1 GbE / 2x 10 GbE RJ-45 / 2x 10 GbE SFP+; optional ML2 slot for dual-port 10 GbE SFP+/RJ-45; 1x 1 GbE dedicated management port |
| Specification Source | Lenovo official documentation (verified 2026-07-02) |
Accessories (965) Storage (1359) Networking (603) Controllers (447) Memory (170) GPU (370) Processors (627) Cooling (61) Power Supplies (60) Complete Server (169)
Upgrade Accessories
Rails, bezels, cable management arms, and drive caddies keep your server organized and serviceable. Replacing worn accessories extends the physical life of your equipment.
Lenovo Cable 00KF381
00KF381 Lenovo Cable Front HDD 80MM for X3650 M5
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Intel Core 00N9G
00N9G Intel Core I3-8100 3.6GHZ Quad Core LGA1151 6MB CPU
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Lenovo Power Cord 00XL065
00XL065 Lenovo 1M Power Cord Eu/Kr 3-PRONG
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Lenovo Motherboard 01KN185
01KN185 Lenovo Motherboard for X3500 M5
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Lenovo Motherboard 03X4426
03X4426 Lenovo Thinkserver RD630 Motherboard
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Lenovo Motherboard 03X4428
03X4428 Lenovo Thinkserver RD630 Motherboard
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Upgrade Storage
Moving from spinning disk to SSD or NVMe storage provides the largest single performance improvement — often 10-50x faster I/O. Consider NVMe for boot drives and high-IOPS workloads.
Lenovo SSD SAS SFF 00MM832
00MM832 Lenovo 3.2TB 12G SAS 2.5 V3700 Flash Drive
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Lenovo 7.2K SAS HDD 00NA497
00NA497 Lenovo Hard Drive 2TB 7 2K SAS 2 5IN
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Lenovo 7.2K SAS HDD 00NA500
00NA500 Lenovo Hard Drive 2TB 7 2K SAS 2 5IN
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Lenovo 7.2K SAS HDD 00YG665
00YG665 Lenovo DS 8TB 7.2K NL-SAS 12G 3.5IN HDD DS2200/DS4200
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Lenovo 7.2K SAS HDD 00YG670
00YG670 Lenovo DS 6TB 7.2K NL-SAS 12G 3.5IN HDD DS2200/DS4200
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Lenovo 7.2K SAS HDD 00YG675
00YG675 Lenovo DS 4TB 7.2K NL-SAS SED Fips 12G 3.5IN HDD
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Upgrade Networking
Stepping up from 1GbE to 10GbE or 25GbE eliminates network bottlenecks for VM migration, iSCSI storage traffic, and backup windows. Most modern workloads benefit from at least 10GbE.
Lenovo Network Cards 00JY940
00JY940 Lenovo Intel X710-DA2 ML2 10GB 2-PORT SFP+ Ethernet Adapter (flex System)
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Lenovo Network Cards 00MM850
00MM850 Lenovo Intel X550-T1 Single Port 10GBASE-T PCIe Adapter
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Lenovo Network Cards 00MM860
00MM860 Lenovo Intel X550-T2 Dual Port 10GBASE-T PCIe Adapter
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QSFP 40G Transceiver 00W0039
00W0039 IBM Mellanox CONNECTX-3 Vpi QSFP FDR14/40GBE
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SFP Plus 10G Transceiver 407-BBOP
407-BBOP Dell 10GBASE-LR SFP+ Transceiver
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SFP 1G Transceiver 407-BBOS
407-BBOS Dell 1000BASE-T SFP Transceiver
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Upgrade Controllers
Upgrading your RAID controller enables faster disk I/O, larger cache, and support for newer drive technologies. Essential when adding NVMe or SAS-4 drives.
Broadcom SAS HBA 03-25600-01B
03-25600-01B Lsi SAS 9300-16I 12GB/S SAS/SATA PCIe 3.0 X8 16-PORT Internal HBA Rev B
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Lenovo RAID Controller 03T6739
03T6739 Lenovo Megaraid SAS 9240 8I 6G 8 Port SAS SATA Controller
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Broadcom MegaRAID Controller 05-25190-02
05-25190-02 Broadcom Megaraid SAS 9380-4I4E 12GB/S SAS/SATA RAID Controller
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Broadcom MegaRAID Controller 05-25420-08
05-25420-08 Broadcom Megaraid SAS 9361-8I 12GB/S SAS/SATA RAID Controller
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Broadcom RAID Controller 05-25420-10
05-25420-10 Broadcom Megaraid SAS 9361-8I (2GB) 12GB/S SAS/SATA RAID Controller
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Broadcom RAID Controller 05-25420-17
05-25420-17 Broadcom Megaraid SAS 9361-4I 12GB/S SAS/SATA RAID Controller
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Upgrade Memory
Memory is the most impactful upgrade for virtualization and database workloads. Upgrading from 64GB to 128GB or 256GB can dramatically improve VM density and application response times.
Lenovo Memory Accessory 4M27A11810
4M27A11810 Thinksystem Dummy DIMM Package Kit (contains 24 Dummy Memory Dimms)
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Lenovo UDIMM 2400MHz 4X70G88334
4X70G88334 Lenovo 16GB 2Rx8 UDIMM DDR4-2400 PC4-19200E ECC Memory
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Lenovo RDIMM 3200MHz 4X77A08632
4X77A08632 Lenovo 16GB 2Rx8 RDIMM DDR4-3200 PC4-25600R ECC Memory
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Lenovo LRDIMM 3200MHz 4X77A08633
4X77A08633 Lenovo 64GB 2Rx4 LRDIMM DDR4-3200 PC4-25600L ECC Memory
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Lenovo RDIMM 3200MHz 4X77A08634
4X77A08634 Lenovo 32GB 2Rx8 RDIMM DDR4-3200 PC4-25600R ECC Memory
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Lenovo RDIMM 3200MHz 4X77A08635
4X77A08635 Lenovo 64GB 2Rx4 RDIMM DDR4-3200 PC4-25600R ECC Memory
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Upgrade GPU
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
Lenovo GPU 02YE101
02YE101 Lenovo Thinksystem SR650 V2 2U PCIe GEN4 X16/X8/X8 Riser Board FRU
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NVIDIA GPU Accessory 490-BGMC
490-BGMC Dell NVIDIA A100/H100 Nvlink Bridge Kit (3 Bridges for 2 Gpus)
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NVIDIA GPU Accessory 490-BGSH
490-BGSH Dell NVIDIA Ampere A100/A40 Nvlink Bridge for R750XA
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Lenovo GPU 4C57A09497
4C57A09497 Thinksystem AMD Radeon Pro V340 32GB PCIe Passive GPU
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Lenovo GPU 4C57A09498
4C57A09498 Thinksystem NVIDIA Tesla V100 16GB PCIe Passive GPU
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Lenovo GPU 4C57A15005
4C57A15005 Thinksystem SR860 V2 X16/X16 PCIe FH Riser 2/3 (supports DOUBLE-WIDE Gpus)
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Upgrade Processors
CPU upgrades deliver more cores and higher clock speeds. If your workload is CPU-bound (compilation, analytics, HPC), upgrading from 8-core to 16+ core processors provides significant throughput improvement.
Lenovo Fan 4F17A12349
4F17A12349 Thinksystem SR650 Fan Option Kit (for 2ND Gen Processors Only; 1ST Gen
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Lenovo Fan 4F17A12350
4F17A12350 Thinksystem SR630 Fan Option Kit (2ND Gen Processors Only)
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Lenovo Fan 4F17A12351
4F17A12351 Thinksystem SR590 Fan Option Kit (for 2ND Gen Processors Only)
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Lenovo Fan 4F17A12353
4F17A12353 Thinksystem SR550 Fan Option Kit (for 2ND Gen Processors Only)
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Lenovo Fan 4F17A12354
4F17A12354 Thinksystem SR530 Fan Option Kit (for 2ND Gen Processors Only)
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Lenovo Fan 4F17A14487
4F17A14487 Thinksystem 1U Performance Fan Option Kit (1 Fan) 1X Cpu: 6
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Upgrade Cooling
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
Lenovo Fan 00KC677
00KC677 Lenovo IBM Server Fan for X3650 M5
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Lenovo Fan 00UP186
00UP186 Lenovo Thinkpad T460 Fan and Heatsink
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Lenovo Heatsink 01KP652
01KP652 Lenovo IBM SR650 SR550 CPU High Performance Heatsink Heat Sink
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Lenovo Heatsink 02YE595
02YE595 Thinksystem SR630/SR650 V2 3-HEATPIPE CPU Heatsink
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Lenovo Fan 03X3872
03X3872 Lenovo Cooling Fan
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Lenovo Fan 0A91520
0A91520 Lenovo Cooling Fan
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Upgrade Power Supplies
Higher-wattage PSUs provide headroom for future upgrades — more RAM DIMMs, GPUs, or additional drives. Redundant hot-swap PSUs also protect against single-point power failures.
Lenovo Power Supply 01DC149
01DC149 Lenovo DS2200/DS4200/DS6200/D1212/D1224 584W Power Supply Alt Pn
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Lenovo Power Supply 01DC150
01DC150 Lenovo DS2200/DS4200/DS6200/D1212/D1224 584W Power Supply
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Lenovo Power Supply 4P57A15363
4P57A15363 Lenovo Thinksystem 1100W -48v DC Power Supply
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Lenovo Power Supply 4P57A26290
4P57A26290 Thinksystem 500W 230V/115V Platinum Hot- Swap GEN2 Power Supply
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Lenovo Power Supply 4P57A26291
4P57A26291 Thinksystem 750W 230V/115V Platinum Hot- Swap GEN2 Power Supply
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Lenovo Power Supply 4P57A26292
4P57A26292 Thinksystem 750W 230V Titanium Hot- Swap GEN2 Power Supply
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Upgrade Complete Server
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
Lenovo Rack Servers 2577
2577 Lenovo A1U Thinkserver RD630
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Lenovo Rack Servers 4M17A37608
4M17A37608 Thinksystem SE350 Bookshelf Stand Kit (contains Left and Right
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Lenovo Rack Servers 4PU7A77467
4PU7A77467 1U 18 C19/C13 Switched and Monitored 80A 3P Delta N N N N N N N N N Y N Y N
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Lenovo Rack Servers 4PU7A77468
4PU7A77468 1U 12 C19/C13 Switched and Monitored 32A 3P Wye PDU
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Lenovo Rack Servers 4PU7A77469
4PU7A77469 1U 12 C19/C13 Switched and Monitored 60A 3P Delta N N N N N N N N N N N Y N
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Lenovo Rack Servers 4PU7A93169
4PU7A93169 0U 36 C13 and 6 C19 Basic 32A 1 Phase PDU
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More ThinkSystem SR550 Resources
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