Dell PowerEdge R840 与 Lenovo ThinkSystem SR850 对比
源自厂商官方文档的规格并排对比。 Dell PowerEdge R840是一款企业级2U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 SR850是Lenovo高密度2U四插槽企业级机架式服务器，专为内存数据库（SAP HANA）、重载虚拟化和关键业务企业资源规划（ERP）设计。
| Dell PowerEdge R840 | Lenovo ThinkSystem SR850 | |
|---|---|---|
| 品牌 | Dell | Lenovo |
| 状态 | end-of-sale | end-of-sale |
| 发布日期 | 2018年5月 | 2017年7月 |
| 外形规格 | 2U rack | 2U 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 Intel Xeon Scalable 1st Gen (Skylake-SP) or 2nd Gen (Cascade Lake-SP) processors up to 205W TDP |
| 内存插槽 | 48 | 48 |
| 内存类型 | DDR4-2666 / DDR4-2933 RDIMM / LRDIMM | DDR4-2666 / DDR4-2933 RDIMM / LRDIMM |
| 最大内存（GB） | 6,144 | 6,144 |
| 硬盘槽位 | Up to 24x 2.5-inch SAS/SATA/NVMe drives | Up to 16x 2.5-inch SFF hot-swap bays (supporting up to 8 NVMe AnyBay drives) |
| PCIe插槽 | Up to 6 PCIe Gen3 slots | Up to 8 PCIe 3.0 slots plus dedicated LOM slot |
| GPU支持 | Up to 2x 300W double-wide or 4x 75W single-wide GPUs | — |
| 板载网络 | Network Daughter Card (NDC) slot; 1x 1GbE iDRAC9 port | Modular LOM slot (1GbE/10GbE) plus dedicated 1GbE XClarity management port |
| 电源 | Dual redundant hot-plug 1100W, 1600W, 2000W or 2400W Platinum | Dual redundant 1100W / 1600W / 2000W AC 80 PLUS Platinum hot-swap power supplies |
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