NAS hard drives / Comparison

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New internal 3.5-inch SATA hard drives for US NAS buyers. Enclosures, SSD cache and tested interoperability are separate buying tasks.

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Documented specifications and exact purchase packages
Compare the details	N300 HDWG780XZSTA (8 TB) (US single drive)
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US purchase package	HDWG780XZSTA, 8 TB, new single internal drive in retail packaging; not the bulk HDWG780UZSVA, recertified, used, a multi-pack, an N300 Pro or a NAS enclosure. Product & sources Select the exact part number and capacity. A different suffix, condition or seller can change the hardware and warranty scope. No enclosure, drive-pair compatibility result, current price or available-stock claim is included. Confirm any cables or mounting accessories with the seller. Sources · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.Amazon.com: US listing: Toshiba N300 8TB HDWG780XZSTA (ASIN B0CYQHY7GL)Checked 2026-10-21. Read the original source and its check date before relying on this value.
Where to buy	Select: HDWG780XZSTA, 8 TB, new single internal drive in retail packaging; not the bulk HDWG780UZSVA, recertified, used, a multi-pack, an N300 Pro or a NAS enclosure. View at Amazon — N300 HDWG780XZSTA (8 TB) (US single drive); opens in a new tab The link may open several packages. Check current price and availability with the seller. Opens in a new tab.
Nominal capacity Manufacturer capacity of the exact drive model. Formatting, storage layout and system overhead reduce usable capacity; a mirror does not add both drive capacities.	8 TB Source · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.
Physical format and interface Documented drive size and connection family. Check the NAS bay and interface. SATA hardware alone does not establish an approved drive and firmware pairing.	3.5-inch SATA Source · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.
Recording method The recording method explicitly stated for this part number. CMR is a recording technology, not a measured reliability score or a NAS compatibility certificate.	CMR Sources · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.Toshiba America Electronic Components: N300 NAS internal hard drive: US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Spindle speed Manufacturer-reported rotational speed for the exact capacity and model. Do not transfer a speed from another capacity in the same family or use RPM alone to predict noise or application performance.	7200 rpm Source · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.
Drive cache Cache capacity listed for the exact model. Cache size does not measure sustained file-transfer speed; similarly named drives may use different cache capacities.	512 MBThe family page says up to 1 GB; the 8 TB column lists 512 MB. Source · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.
Rated annual workload The manufacturer annual workload rating, not a lifetime write allowance. Keep the source definition and operating conditions. A higher rating does not guarantee a longer life or replace a backup.	180 TB/year Source · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.
Limited warranty term Published manufacturer limited-warranty duration for the reviewed new-drive scope. Check seller, condition, region and serial-number eligibility; used, refurbished and OEM offers can have different coverage.	3 yearsLimited manufacturer warranty; verify the eligibility of the delivered new-drive serial number and seller. Sources · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.Toshiba America Electronic Components: N300 NAS internal hard drive: US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Published maximum transfer rate A source-specific maximum sequential or sustained transfer figure. Manufacturer methods differ. This is not a CompareFoundry benchmark, network rate or guaranteed speed throughout the disk.	281 MB/sTypical sustained maximum for this exact part; the family figure of up to 298 MB/s belongs to other capacities. Not a measured NAS or network result. Source · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.
Drive weight The published weight of the drive, not its shipping package. Use the NAS installation instructions; a weight figure does not describe operating clearance, vibration or supplied mounting hardware.	755 gStated as a maximum drive weight. Source · 2026-10-21 Toshiba America Electronic Components: N300 specification sheet 2026.07.10-2839-R2.0: HDWG780XZSTA columnChecked 2026-10-21. We read the original PDF on the check date.
Verified NAS and firmware pairing An exact enclosure, drive and firmware compatibility result, when separately established. An unknown entry means this catalogue has not established the pairing. It does not mean that the drive is incompatible.	Not verified We have not verified this value. It is not a confirmed no or zero. Check the original source or ask the manufacturer if it affects your choice. No exact NAS model, operating-system version and drive-firmware pairing was established in this category review.
Questions to check before buying	Toshiba's current sheet lists HDWG780XZSTA as the 8 TB retail part; the earlier HDWG480XZSTA part number and the N300 Pro line are different selections. The reviewed US listing shows several new offers without an established seller; confirm the seller and new-drive warranty coverage before purchase.

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