Component
TS-877XU
TS-877XU-RP
TS-1277XU-RP
Memory slots
4 x LDIMM DDR4
Important
Use only QNAP memory modules to maintain system
performance and stability. For NAS devices with more
than one memory slot, use QNAP modules with
identical specifications.
Using unsupported modules may degrade
performance, cause errors, or prevent the operating
system from starting.
Maximum memory
64 GB RAM: 4 x 16 GB
Flash memory
4 GB
Storage
Drive bays
8 x 3.5-inch SATA 6 Gbps
12 x 3.5-inch SATA 6 Gbps
Drive compatibility
• 3.5-inch SATA hard disk drives
• 2.5-inch SATA hard disk drives
• 2.5-inch SATA solid-state drives
Important
2.5-inch drive trays only support drives with a
maximum height of 9.5 mm.
Network
10 Gigabit Ethernet ports
2 x 10 GbE SFP+
Gigabit Ethernet ports
2 x GbE RJ45
External I/O Ports & Expansion Slots
PCIe slots
• 2 x PCIe 3.0 x8
• 2 x PCIe 3.0 x4
Tip
For the list of compatible expansion cards, go to
https://www.qnap.com/compatibility
.
USB ports
• 1 x USB 3.1 Gen 2 (10Gbps) 5V/1A Type-A
• 1 x USB 3.1 Gen 2 (10Gbps) 5V/3A Type-C
• 4 x USB 3.0 Type-A
HDMI ports
Optional: PCIe expansion card
Interface
Buttons
• Power
• Reset
Dimensions
Form factor
2U Rackmount
2U Rackmount
Dimensions (H x W x D)
88.3 x 482 x 562 mm
(3.47 x 18.98 x 22.13 in)
88.3 x 482 x 562 mm
(3.47 x 18.98 x 22.13 in)
TS-x77XU User Guide
Product Overview
5
