SATA SSDs
Enterprise SATA SSDs are 6Gb/s solid state drives that run on a server's SATA ports and on SAS RAID controllers and HBAs, which accept SATA drives as well. The 2.5-inch drive is the usual form, and the same interface also comes as M.2 and SATADOM boot media for servers that boot from a dedicated device. Check the endurance class before you order; our lab tests every SATA SSD before it goes out.
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Dell RD76R 800GB TLC SAS SSD 2.5" 12Gbps WI ISE Solid State DriveAvailability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock - Dell TC2MH 800GB eMLC SAS SSD 2.5" 12Gbps WI Solid State Drive | PX02SMF080Availability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell VXG5N 960GB MLC SATA SSD 2.5" 6Gbps RI Solid State Drive | SSDSC2BB960G7RAvailability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell W5PP5 1.6TB TLC SAS SSD 2.5" 12Gbps MU Solid State Drive | MZILS1T6HEJH0D3Availability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell WRTYP 120GB SATA SSD 2.5" 6Gbps Solid State Drive | Samsung MZ-7LM1T90Availability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell X31G3 960GB TLC SATA SSD 2.5" 6Gbps MU Solid State Drive | SSDSC2KG960G8RAvailability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell XCRDV 3.84TB eMLC SAS SSD 2.5" 12Gbps RI Solid State Drive | PX05SRB384YAvailability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell 7RKD7 480GB SATA SSD M.2 6Gbps RI Solid Sate Drive l MTFDDAV480TDS-1AW1ZAvailability: In StockManufacturer: Dell Condition: Refurbished 1 Year WarrantyBuy Now$374.99
- HP 764913-004 800GB SATA 6Gbps Value Endurance SFF 2.5" SSD 765016-001 W/O TrayAvailability: Available by QuoteManufacturer: HPE Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell KX83R 120GB SATA SSD 2.5" 6Gbps Solid State Drive | Intel SSDSC2BB120G6RAvailability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Crucial CT250MX500SSD1 250GB SATA SSD 2.5" 6Gbps Solid State DriveAvailability: Available by QuoteManufacturer: Crucial Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
- Dell DKV8N 64GB SATA-DOM SSDR SD Kit l Internal DriveAvailability: Available by QuoteManufacturer: Dell Condition: Refurbished 1 Year WarrantyRequest PricingOut of stock
Why an enterprise SATA SSD
An enterprise SATA SSD keeps the SATA interface every server controller accepts and adds the protections servers need from flash. Samsung lists power-loss protection and an endurance of 1.0 DWPD over a five-year limited warranty for one of its data-center SATA drives, and rates a higher-endurance data-center SATA model at 3 DWPD over five years. Proxmox recommends power-loss protection on SSDs for good performance and discourages consumer models.
SATA SSD or SAS SSD
A SATA SSD fits SATA-only bays and controllers as well as SAS ones, while a SAS SSD needs a SAS backplane and controller; Seagate's guidance is that SATA drives can go on SAS controllers but not the reverse. Within a RAID volume, keep to one interface; Dell's PERC 11 documentation does not allow a virtual disk to combine SATA and SAS drives.
| Drive interface | Link rate | Ports | Endurance classes in makers' data sheets | Connects to |
|---|---|---|---|---|
| SATA SSD | 6Gb/s | One | 1 and 3 DWPD (Samsung) | SATA ports, SAS controllers and SAS HBAs |
| SAS SSD | 12Gb/s or 24G | Two | 1, 3 and 10 DWPD (Seagate) | SAS controllers and HBAs on SAS backplanes |
| NVMe SSD | PCIe, four lanes on U.2 | By model | 1 and 3 DWPD (KIOXIA) | NVMe bays or PCIe slots |
The interfaces also queue work differently: SATA native command queuing holds up to 32 outstanding commands, where NVMe allows up to 64K queues of up to 64K commands each, per Intel and Seagate's NCQ paper and Seagate's NVMe primer.
SATA boot drives
For a dedicated boot device, Dell's BOSS-S1 and BOSS-S2 cards take 80 mm M.2 SATA SSDs; see M.2 SSDs and BOSS controller cards. How to pick an endurance class is covered in our guides to choosing between read-intensive, mixed-use and write-intensive drives and DWPD and TBW explained; servers built for Proxmox are covered in our Proxmox hardware guide, and every interface is on server SSDs, sizes such as 960GB and 1.92TB included.
Enterprise SATA SSD questions
- Are enterprise SATA SSDs worth it over consumer SATA SSDs?
- In a server, yes. Enterprise SATA drives document the protections a server relies on: Samsung lists power-loss protection and a 1.0 DWPD endurance rating over a five-year limited warranty on one of its data-center SATA SSDs. Proxmox's own guidance points the same way, toward PLP and away from consumer SSDs, and the enterprise models come in the 2.5-inch and M.2 forms server bays and boot cards take.
- SATA SSD or SAS SSD for a server?
- Use SATA where the server has SATA bays, a SATA-only controller or a boot card, since SATA drives also run behind SAS controllers. Choose SAS where the backplane and controller are SAS and the workload benefits from a second port or higher write endurance; Seagate's 12Gb/s SAS SSDs reach 10 DWPD. Never mix the two in one PERC 11 virtual disk.
