Item Description

The SanDisk X400 is a compact 256GB internal SSD in the M.2 2280 form factor. It uses the SATA III 6Gbps interface, making it suitable only for devices with an M.2 slot that supports SATA protocol. It is not an NVMe or PCIe SSD.

Condition: This is a fully tested refurbished item in good condition. The drive has been tested for reliable operation before dispatch.

This OEM drive is identified by SanDisk model SD8SN8U-256G-1006 and HP spare part number 856448-001. It is ideal as a replacement drive or storage upgrade where the original laptop configuration uses a 22mm x 80mm M.2 SATA SSD.

• 256GB solid-state storage for Windows, software, documents and everyday files.
• M.2 2280 size: approximately 22mm wide x 80mm long.
• SATA III 6Gbps interface; requires an M.2 SATA-compatible slot.
• SanDisk X400 OEM series, model SD8SN8U-256G-1006.
• HP replacement reference: 856448-001.
• Silent, low-profile storage with no moving mechanical parts.
• Suitable for laptop repair, refurbishment, replacement and compatible system upgrades.

Compatible HP Laptop Models

This SSD may be used in compatible HP systems such as the HP ProBook 450 G5, ProBook 470 G5, EliteBook 840 G5 and EliteBook 850 G5, provided the fitted M.2 slot supports SATA storage and the physical 2280 size. Compatibility can vary by exact system configuration, so please confirm the original drive type before purchase.

Product Specifications

Important Compatibility Notes

Please check your existing SSD label, laptop service manual or BIOS specifications before ordering. Your computer must support an M.2 SATA drive in the 2280 size. This product will not work in an NVMe-only M.2 slot, even if the physical connector appears similar. Operating system, mounting screw, data transfer and installation services are not included.

Shipping

Your SSD will be securely packed in protective anti-static packaging to help prevent damage during handling and delivery. The estimated packed shipping weight is approximately 0.10kg.

• Orders are processed promptly after payment is confirmed.
• Protective packaging is used to safeguard the SSD during transit.
• Delivery time depends on the selected shipping method and destination.
• Please inspect the parcel when it arrives and retain the packaging if an issue is identified.

Warranty and Returns

This refurbished SSD is supplied with warranty coverage in line with the seller’s applicable policy. Warranty applies to verified hardware faults and items that are dead on arrival, but does not cover damage caused by improper installation, misuse, physical damage, liquid exposure, unauthorised modification or compatibility issues.

Please confirm the M.2 size and SATA interface requirements before installation. If a return is approved, the item must be returned in the same condition supplied, with identification labels intact and appropriate protective packaging used. Data stored on any returned drive is the buyer’s responsibility; please back up and erase personal data before sending it back.

Payment Terms

Full payment is required before an order is dispatched. Orders with incomplete, failed or pending payment may be delayed until payment is successfully cleared.

The listed price is for one SanDisk X400 256GB M.2 SATA SSD only. Any software installation, data migration, laptop repair or fitting service is not included unless specifically stated.