Dell PowerEdge R540 与 Lenovo ThinkSystem D1212 Drive Enclosure 对比
源自厂商官方文档的规格并排对比。 Dell PowerEdge R540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16个内存插槽，支持高达512GB DDR4-2666 / DDR4-2933 RDIMM。 Lenovo ThinkSystem D1212是一款2U直连式12盘位大外形规格（3.5英寸）存储扩展柜。
| Dell PowerEdge R540 | Lenovo ThinkSystem D1212 Drive Enclosure | |
|---|---|---|
| 品牌 | Dell | Lenovo |
| 状态 | end-of-sale | current |
| 发布日期 | 2017年9月 | 2018年9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 20 cores, 125W TDP | — |
| 内存插槽 | 16 | — |
| 内存类型 | DDR4-2666 / DDR4-2933 RDIMM | — |
| 最大内存（GB） | 512 | — |
| 硬盘槽位 | Up to 12x 3.5-inch SAS/SATA drives (plus optional 2x rear 3.5-inch drives) | 12x 3.5-inch hot-swap SAS/SATA drive bays |
| PCIe插槽 | Up to 5 PCIe Gen3 slots | — |
| GPU支持 | None supported | — |
| 板载网络 | 2x 1GbE LOM ports; optional LOM Mezzanine slot; 1x 1GbE iDRAC port | — |
| 电源 | Dual redundant hot-plug 495W, 750W or 1100W | Dual redundant hot-swap 580W AC power supplies with integrated fans |
| 机箱类型 | — | 2U 12-drive Large Form Factor (LFF 3.5-inch) drive enclosure |
| 接口模块 | — | Dual Environmental Services Modules (ESMs) with 12Gb SAS SFF-8644 connectivity |
| 菊花链 | — | Supports daisy-chain cabling to additional D1212 or D1224 enclosures |
| 主机连接 | — | Connects to ThinkSystem DE series storage controllers or server SAS HBAs / RAID controllers |
| 管理 | — | In-band SCSI Enclosure Services (SES) over SAS |
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