Dell PowerEdge C4140 与 Lenovo ThinkSystem SR670 V2 对比
源自厂商官方文档的规格并排对比。 PowerEdge C4140是一款超高密度1U双插槽加速服务器，支持PCIe或NVLink SXM2配置下的四个NVIDIA Tesla V100 GPU。 ThinkSystem SR670 V2是Lenovo模块化3U双插槽高密度GPU服务器，专为人工智能、机器学习深度训练、高性能计算（HPC）以及图形渲染集群而设计。
| Dell PowerEdge C4140 | Lenovo ThinkSystem SR670 V2 | |
|---|---|---|
| 品牌 | Dell | Lenovo |
| 状态 | end-of-sale | end-of-sale |
| 发布日期 | 2017年12月 | 2021年4月 |
| 外形规格 | 1U rack | 3U rack |
| CPU插槽 | 2 | 2 |
| CPU平台 | 1st and 2nd Gen Intel Xeon Scalable processors | Dual 3rd Gen Intel Xeon Scalable processors (Ice Lake-SP) up to 270W TDP |
| 内存插槽 | 24 | 32 |
| 内存类型 | DDR4 ECC RDIMM/LRDIMM up to 2933 MT/s | DDR4-3200 RDIMM / 3DS RDIMM |
| 硬盘槽位 | Up to 2x 2.5in SATA/SAS SSDs or M.2 boot storage | Up to 8x 2.5-inch SFF hot-swap SAS/SATA/NVMe drive bays |
| PCIe插槽 | 4x double-width PCIe Gen3 GPU slots or SXM2 NVLink baseboard | Up to 8 PCIe 4.0 x16 slots for GPUs plus 4 PCIe 4.0 x16 slots for high-speed NICs/InfiniBand |
| 电源 | Dual hot-plug redundant 2000W or 2400W Platinum PSUs | Up to 4 redundant 1800W / 2400W AC 80 PLUS Platinum hot-swap power supplies |
| 最大内存（GB） | — | 4,096 |
| GPU支持 | — | Up to 8 double-wide PCIe GPUs (such as NVIDIA A100/A40) or 4-way NVIDIA HGX A100 NVLink baseboard with Lenovo Neptune hybrid liquid cooling |
| 板载网络 | — | Dual OCP 3.0 slots plus dedicated 1GbE XClarity management port |
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