Dell PowerEdge R740xd 与 Lenovo ThinkAgile VX5520 对比
源自厂商官方文档的规格并排对比。 Dell PowerEdge R740xd是一款企业级2U机架服务器，搭载2颗第1代（Skylake）和第2代（Cascade Lake）Intel Xeon Scalable处理器，配备24个内存插槽，支持高达3072GB DDR4-2666 / DDR4-2933 RDIMM / LRDIMM。 Lenovo ThinkAgile VX5520是一款高存储密度2U VMware vSAN设备，针对容量密集型虚拟化、备份存储库和大数据工作负载进行了优化。
| Dell PowerEdge R740xd | Lenovo ThinkAgile VX5520 | |
|---|---|---|
| 品牌 | Dell | Lenovo |
| 状态 | end-of-sale | end-of-sale |
| 发布日期 | 2017年7月 | 2018年5月 |
| 外形规格 | 2U rack | 2U rack |
| CPU插槽 | 2 | — |
| CPU平台 | Intel Xeon Scalable 1st Gen (Skylake) and 2nd Gen (Cascade Lake), up to 28 cores, 205W TDP | — |
| 内存插槽 | 24 | — |
| 内存类型 | DDR4-2666 / DDR4-2933 RDIMM / LRDIMM | — |
| 最大内存（GB） | 3,072 | — |
| 硬盘槽位 | Up to 32x 2.5-inch SAS/SATA/NVMe (24 front, 4 mid, 4 rear) or 18x 3.5-inch (12 front, 4 mid, 2 rear) | — |
| PCIe插槽 | Up to 8 PCIe Gen3 slots | — |
| GPU支持 | Up to 3x 300W double-wide or 6x 150W single-wide GPUs | — |
| 板载网络 | Network Daughter Card (NDC) slot; 1x 1GbE iDRAC9 dedicated port | — |
| 电源 | Dual redundant hot-plug 750W, 1100W, 1600W, 2000W or 2400W Platinum/Titanium | Dual redundant hot-swap 750W or 1100W Platinum power supplies |
| 处理器 | — | Up to 2x 1st or 2nd Gen Intel Xeon Scalable processors up to 26 cores each (up to 150W TDP) |
| 内存 | — | 24x DDR4 DIMM slots supporting up to 1.5TB DDR4-2933 ECC RDIMM |
| 存储池 | — | Up to 14x 3.5-inch SAS/SATA drive bays configured with NVMe/SAS SSD write cache |
| 虚拟化管理程序 | — | VMware ESXi and VMware vSAN |
| 网络 | — | Dual 10/25GbE optical ports via LOM card plus optional high-speed PCIe NICs |
| 管理 | — | VMware vCenter and Lenovo XClarity |
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