QNAP TS-855EU-RP 2U Rackmount NAS, 8-Core Intel Atom C5125 2.8GHz, 8GB DDR4, 8-Bay, Diskless, QuTS hero

QNAP TS-855EU-RP – flexible, expandable rack storage

We recommend the QNAP TS-855EU-RP for small and medium businesses that need centralised storage with room to grow. Its eight hot-swap drive bays and support for online RAID expansion make it easier to increase capacity without taking the NAS offline.

Key specifications at a glance

Build storage around your needs

The TS-855EU-RP ships without drives, so you can choose your own storage capacity. Its eight bays support 2.5-inch and 3.5-inch SATA HDDs and SSDs. Two M.2 slots provide additional supported storage options.

Choose from RAID 0, 1, 5, 6, 10, 50 or 60 to suit your capacity and protection requirements. Online RAID migration and expansion help you adjust your setup as your needs change. The NAS also supports RAID rebuilds.

Manage business data and backups

QuTS hero provides snapshot and backup functions to help manage and protect stored files. You can also control access rights for shared folders, which helps you manage who can reach business data.

For network connections, the NAS has two RJ45 Ethernet ports. Supported link rates include 10, 100, 1,000 and 2,500 Mbit/s. It also supports iSCSI, jumbo frames and Wake-on-LAN.

Plan for rack and memory requirements

The 2U chassis measures 432mm wide, 297.4mm deep and 88.6mm high. Check that your rack has suitable space before ordering. Active cooling uses three fans.

The installed 8GB of DDR4 memory can be expanded to a maximum of 64GB across two SO-DIMM slots. Four USB 3.2 Gen 1 Type-A ports and two PCI Express x4 Gen 3 slots provide further connection and expansion options.

Before you order

• Confirm your rack has space for a 2U chassis.
• Check that your chosen drives are 2.5-inch or 3.5-inch SATA models.
• Plan your RAID level and usable capacity before installing drives.
• Confirm your network equipment supports the connection speeds you intend to use.

Frequently Asked Questions

Q: Are storage drives included?

A: No. The NAS is diskless, with no storage drives installed.

Q: How many drives can it support?

A: It has eight hot-swap bays for 2.5-inch and 3.5-inch SATA HDDs or SSDs.

Q: Can I expand or migrate a RAID setup online?

A: Yes. It supports online RAID expansion and migration, as well as RAID rebuilds.

Q: How much memory can I install?

A: It includes 8GB DDR4 memory and supports up to 64GB across two SO-DIMM slots.

A practical choice for growing storage needs

The QNAP TS-855EU-RP suits businesses that want configurable rackmount storage, flexible RAID options and room to expand. It includes a three-year warranty.