Lenovo ThinkEdge SE455 V3
A single-socket, 2U short-depth edge server built around AMD EPYC 8004 "Siena" processors, with all drives, PSUs, PCIe/OCP slots and ports accessible from the front so it can be deployed in shallow, hard-to-reach cabinets close to where data is generated.
Memory
- Slots
- 6 DIMM (1 per channel)
- Max
- 768 GB using 6 x 128 GB TruDDR5 RDIMMs
- Speed
- Up to 4800 MHz Lenovo TruDDR5 RDIMM (16Gb/24Gb/32Gb DRAM)
- Protection
- ECC, Advanced Memory Device Correction (AMDC), Patrol/Demand Scrubbing, DRAM Address Command Parity with Replay, On-die ECC, ECS, Post Package Repair
- Rules
- Supports 1, 2, 4 or 6 DIMMs only; no mixing of 16Gb/24Gb/32Gb DRAM or x4/x8 DIMMs; memory mirroring and rank sparing not supported
Storage
- Front bays
- 4 x 2.5" hot-swap (SATA or NVMe), backplane option-dependent
- Internal bays
- 4 x 2.5" non-hot-swap (SATA or NVMe) in a cage that rotates up for access
- Boot
- Up to 2 x M.2 (SATA or NVMe) via RAID adapter with carrier
- Max capacity
- Up to 491.52 TB using 8 x 61.44 TB 2.5" NVMe SSDs
- Controller
- Onboard SATA/NVMe (JBOD), or RAID adapter (ThinkSystem RAID 5350-8i, 540-8i or 940-8i); only one SATA controller (onboard or adapter) serves both front and internal bays
Graphics
- Single-wide (up to 6)
- NVIDIA A2 16GB PCIe Gen4 Passive GPU; NVIDIA L4 24GB PCIe Gen4 Passive GPU
- Double-wide (up to 2, slots 3 & 7)
- NVIDIA L40 48GB PCIe Gen4 Passive GPU; NVIDIA L40S 48GB PCIe Gen4 Passive GPU
- Accelerators (up to 6)
- AMD Alveo V70 Datacenter Accelerator Adapter; Qualcomm Cloud AI 100 (up to 3, slots 6/7/8)
Expansion
- OCP
- 1 x dedicated OCP 3.0 SFF slot, PCIe 5.0 x16 host interface, tool-less installation
- Riser 1 (standard)
- Slot 3: PCIe Gen5 x16 (double-wide GPU capable); Slot 4: PCIe Gen4 x8; Slot 5: PCIe Gen4 x8
- Riser 2 (optional)
- Slot 6: PCIe Gen4 x8; Slot 7: PCIe Gen5 x16 (double-wide GPU capable); Slot 8: PCIe Gen4 x8
- Notes
- All slots physically x16, full-height adapters; slots 6 and 8 on Riser 2 share an onboard NVMe port with the drive bays in some configurations
Networking
- OCP adapter options
- 1GbE: Broadcom 5719 4-port, Intel I350 4-port (V1/V2). 10GBASE-T: Broadcom 57416 2-port, Broadcom 57412 4-port, Intel X710-T2L 2-port, Intel X710-T4L 4-port. 10/25GbE SFP28: Broadcom 57414 2-port, Broadcom 57504 4-port, Intel E810-DA2 2-port, Intel E810-DA4 4-port, Mellanox ConnectX-6 Lx 2-port. 100GbE: Broadcom 57508 QSFP56 2-port
- Additional PCIe adapters
- Same Gigabit/10G/25G/100G Ethernet families available as PCIe (non-OCP) cards, plus InfiniBand/OPA HBAs
Power
- Supply
- 1 or 2 hot-swap 1100 W (Titanium or Platinum) or 1800 W (Platinum) AC power supplies, front-mounted; or 1100 W -48V DC
- AC input
- 100-127 Vac or 200-240 Vac, 50/60 Hz; 240 Vdc input range 180-300 V (China only)
- DC input
- -44 to -54 Vdc
Ports
- Front (network/local)
- 1 x USB-C with video output, 1 x RJ-45 remote XCC management, 2 x USB 3 (5 Gbps), 1 x USB 2.0 (XCC Mobile app)
- Front (other)
- External diagnostics handset port, 2 x grounding points, pull-out network information tag
Physical
- Dimensions
- 445 mm W x 87 mm H x 440 mm D (17.5 x 3.4 x 17.3 in), excluding EIA flanges/bezel/PSU handles
- Volume
- 17.5 liters
- Weight
- Max 19.21 kg (42.35 lb)
- Shipping dimensions
- 596 x 282 x 720 mm (23.5 x 11.1 x 28.3 in)
- Mounting
- 2-post or 4-post rack, 600 mm or 1000 mm rail kits
Management
- BMC
- XClarity Controller 2 (XCC2), ASPEED AST2600; optional XCC Platinum for remote KVM, FIPS 140-3, boot capture
- Local
- Front operator panel (power, ID, security LEDs, NMI pinhole); optional External Diagnostics Handset with LCD
- Software
- XClarity Administrator, XClarity Integrator, XClarity Energy Manager, ThinkShield Edge Mobile Management app, XClarity Mobile app
- Security
- Platform Firmware Resiliency (NIST SP800-193) hardware Root of Trust; System Lockdown Mode ships enabled and must be activated via mobile app or ThinkShield Key Vault Portal before first use
Operating systems
- Supported
- Microsoft Windows Server 2019/2022/2025; Red Hat Enterprise Linux 8.6-8.10, 9.0-9.8, 10.0; SUSE Linux Enterprise Server 15 (SP4-SP7) and 16; Ubuntu Server 20.04/22.04 LTS; VMware ESXi (incl. ESXi 9.1 factory preload)
Processors
- AMD EPYC 8024P
- AMD EPYC 8124P
- AMD EPYC 8224P
- AMD EPYC 8324P
- AMD EPYC 8434P
- AMD EPYC 8534P
- AMD EPYC 8024PN
- AMD EPYC 8124PN
- AMD EPYC 8224PN
- AMD EPYC 8324PN
- AMD EPYC 8434PN
- AMD EPYC 8534PN