TerraMaster / NAS / Diskless

F4-425

Four SATA bays for a larger array without requiring NVMe drives. Check available TOS applications and backup destinations for your workflow.

4 SATA bays0 NVMe slots1 × 2.5GbE

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Manufacturer specifications

Full model: F4-425
RAID: Software-managed; modes depend on installed drives and OS version
System: TOS
Processor: Intel Celeron N5095
Drive format: 3.5-inch SATA HDD / 2.5-inch SATA SSD
Factory memory: 4GB DDR4
Included storage: Diskless; drives sold separately
SATA drive bays: 4
NVMe slots: 0
Connection: 1 × 2.5GbE

Specifications reviewed 2026-09-13. TerraMaster F4-425 manufacturer specifications ↗

Enclosure offers

Storage drives are not included. Verify memory and seller configuration on Amazon.

Verified productCheck availability ↗Check seller, condition and current price on Amazon.Checked Sep 13, 2026 20:53 UTC

ASIN B0FMJJ777F

Before you buy

Check the exact memory configuration and drive compatibility before purchase.
Drives are separate purchases. Confirm the exact model and hardware revision in the manufacturer compatibility list.
Keep an independent backup of irreplaceable files. RAID does not protect against every cause of data loss.

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Compare the alternatives

TerraMaster F4-425 vs UGREEN DH4300 Plus →

As an Amazon Associate I earn from qualifying purchases. These are diskless enclosures; drives are sold separately. Amazon US only. Prices and availability can change; the price displayed on Amazon at purchase applies. Check the selected seller, condition and exact configuration.