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| Product Overview |
|---|
The SB27A57654 Lenovo SR950 Main I/O Planar V2 is a core hardware component that manages the input and output operations within Lenovo's SR950 servers. It fits into the server chassis and connects various internal devices, helping coordinate communications and data transfers essential for the server's performance. |
| General Information | |
|---|---|
| Brand | Lenovo |
| Part Number | SB27A57654 |
| Technical Information | |
|---|---|
| Chipset | Intel C621 (Lewisburg) (platform chipset for Intel Xeon Scalable systems) |
| Compatible Processors | Intel Xeon Scalable family (Skylake-SP and Cascade Lake-SP), LGA 3647 — supports multi-socket (up to 8 CPUs in SR950 chassis) |
| Board Socket Type | LGA 3647 |
| Memory Slots | 96 (12 DIMMs per CPU × up to 8 CPUs) |
| Memory Support | DDR4 Registered ECC (RDIMM), Load-Reduced (LRDIMM), 3DS RDIMM; up to 2933 MT/s (platform dependent); supports up to 128GB DIMMs (max system memory dependent, up to ~12TB with 128GB DIMMs) |
| Storage Interfaces | 12Gbps SAS, 6Gbps SATA via RAID/HBA/backplane; NVMe support (U.2/U.3) depending on chassis/backplane/configuration |
| Expansion Slots | Multiple PCIe 3.0 slots (x16/x8 configurations), full-height/full-length capable — exact count and layout are system/chassis dependent |
| Physical Characteristics | |
|---|---|
| Weight | 3.00 |
| Condition | Refurbished |
| Miscellaneous | |
|---|---|
| Assembly Required | Yes |
| Eco Friendly | Yes |
| Compliance Standards | WEEE, RoHS, cURus, CE, FCC, CCC, UL, TUV, cULus, CSA, cUL |
| Product Description |
|---|
The SB27A57654 Lenovo SR950 Main I/O Planar V2 serves as the central circuit board managing input and output operations within the Lenovo SR950 server. This component is commonly used in enterprise-grade data centers and environments demanding robust processing and connectivity. It is built for IT professionals and system administrators who maintain high-end server hardware to ensure smooth data flow and hardware communication. Key Features
This main I/O planar is typically found in large-scale server racks powering critical applications and services. Its role is vital in maintaining the system's overall stability and responsiveness, allowing organizations to rely on their infrastructure without interruption. |