Dell PowerEdge R740xd 与 Lenovo ThinkSystem D3284 High Density Drive Enclosure 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 ThinkSystem D3284是一款超高密度5U存储机柜，在双抽拉式抽屉中可容纳多达84块3.5英寸SAS硬盘。
| Dell PowerEdge R740xd | Lenovo ThinkSystem D3284 High Density Drive Enclosure | |
|---|---|---|
| 品牌 | Dell | Lenovo |
| 状态 | end-of-sale | current |
| 发布日期 | 2017年7月 | 2018年9月 |
| 外形规格 | 2U rack | 5U 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) | 84x 3.5-inch hot-swap SAS drive bays arranged in two 42-drive slide-out drawers |
| 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 2214W Platinum AC power supplies |
| 机箱类型 | — | 5U 84-drive High Density Large Form Factor (LFF 3.5-inch) enclosure |
| 接口模块 | — | Dual redundant 12Gb SAS Environmental Services Modules (ESMs) |
| 容量 | — | Over 1.5PB of raw storage capacity using 18TB or 20TB enterprise HDDs |
| 冗余 | — | Dual SAS data paths, N+1 hot-swap cooling modules, and redundant power supplies |
| 管理 | — | In-band SCSI Enclosure Services (SES) |
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