Dell PowerEdge R940 与 Lenovo ThinkSystem SR860 V2 对比
源自厂商官方文档的规格并排对比。 Dell PowerEdge R940是一款企业级3U机架服务器，搭载4颗第1代和第2代Intel Xeon Scalable处理器（最高4颗处理器，每颗28核，205W TDP），配备48个内存插槽，最高支持6144GB DDR4-2666 / DDR4-2933 RDIMM / LRDIMM。 ThinkSystem SR860 V2是Lenovo的可扩展4U四路企业级服务器，搭载第3代Intel Xeon Scalable处理器（Cooper Lake）。
| Dell PowerEdge R940 | Lenovo ThinkSystem SR860 V2 | |
|---|---|---|
| 品牌 | Dell | Lenovo |
| 状态 | end-of-sale | end-of-sale |
| 发布日期 | 2017年7月 | 2020年6月 |
| 外形规格 | 3U rack | 4U rack |
| CPU插槽 | 4 | 4 |
| CPU平台 | Intel Xeon Scalable 1st Gen and 2nd Gen (up to 4 processors, 28 cores each, 205W TDP) | Up to 4 3rd Gen Intel Xeon Scalable processors (Cooper Lake) up to 28 cores per socket and 250W TDP |
| 内存插槽 | 48 | 48 |
| 内存类型 | DDR4-2666 / DDR4-2933 RDIMM / LRDIMM | DDR4-3200 RDIMM / 3DS RDIMM and Intel Optane Persistent Memory 200 Series |
| 最大内存（GB） | 6,144 | 12,288 |
| 硬盘槽位 | Up to 24x 2.5-inch SAS/SATA/NVMe drives (up to 12 NVMe) | Up to 48x 2.5-inch SFF hot-swap bays (supporting up to 24 direct NVMe PCIe 3.0 SSDs) |
| PCIe插槽 | Up to 13 PCIe Gen3 slots | Up to 14 PCIe 3.0 slots plus 1 OCP 3.0 slot |
| GPU支持 | None supported (use R940xa for GPU) | Up to 4 double-wide 300W GPUs or 8 single-wide 75W GPUs |
| 板载网络 | Network Daughter Card (NDC) slot; 1x 1GbE iDRAC9 port | OCP 3.0 slot plus dedicated 1GbE XClarity management port |
| 电源 | Quad redundant hot-plug 1100W, 1600W, 2000W or 2400W | Up to 4 redundant 1100W / 1800W / 2400W AC 80 PLUS Platinum hot-swap power supplies |
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