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Product Description

QNAP TS-873 8-Bay NAS Enclosure

Key Features

8 x 3.5"/2.5" Bays & 2 x M.2 SSD Slots
2.1 GHz AMD RX-421ND Quad-Core
4GB of DDR4 RAM
4 x Gigabit Ethernet Ports

Powered by a 2.1 GHz AMD RX-421ND Quad-Core processor, which can be boosted up to 3.4 GHz, and 4GB of DDR4 RAM, which can be upgraded to 64GB, the TS-873 8-Bay NAS Enclosure from QNAP is a high-performance and energy efficient system that provides two

Specification

CPU	2.1 GHz AMD R-Series RX-421ND Quad-Core (64-bit, up to 3.4 GHz)
Encryption Engine	AES-NI
System Memory	4 GB of DDR4 RAM (2 x 2 GB)
Maximum Memory	64 GB (4 x 16 GB)
Memory Slots	4 x SO-DIMM DDR4 Note: For dual-or quad-DIMM configurations, you must use a pair of identical DDR4 modules
Flash Memory	512 MB DOM
Drive Bays	8 x SATA III 6 Gb/s
Drive Compatibility	3.5" SATA hard disk drives 2.5" SATA hard disk drives 2.5" SATA solid-state drives
M.2 SSD Slots	2 x M.2 2260/2280 SATA III 6 Gb/s SSDs (sold separately) Note: M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD
SSD Cache Acceleration Support	Drive bays 1 to 8 M.2 slots 1 to 2 Optional: M.2 SSD using QNAP QM2 PCIe expansion card
Hot-Swappable	Yes, except M.2 SSDs, SSD cache drives, and SSDs using PCIe expansion slots
Gigabit Ethernet Port	4 x RJ45 Gigabit LAN ports
PCIe Slot	2 x PCIe 3.0 x4 slots Note: Supports a low-profile 10GbE LAN card, 10 Gb/s USB 3.1 Gen 2 expansion card, QM2 card, PCIe wireless network card, or a bus-powered graphics card
USB Ports	4 x USB 3.0 Type-A ports (1 front, 3 rear)
Audio	2 x 3.5 mm dynamic microphone jacks 1 x 3.5 mm line-out jack 1 x speaker Note: You cannot use the speakers and the line-out jack simultaneously
USB One Touch Copy	Front: USB 3.0
IR Sensor	Optional QNAP RM-IR004 remote control (MCE compatible)
Form Factor	Tower
Power Consumption	HDD Standby: 36.43 W In Operation: 70.26 W
Sound Level	Sound Pressure (LpAm): 23.4 dBA
Power Supply Unit	250 W, 100 to 240 VAC, 50/60 Hz
Fan	System: 2 x 120 mm CPU: 1 x 60 mm
Operating Temperature	32 to 104°F / 0 to 40°C
Relative Humidity	5~95% RH non-condensing, wet bulb: 81°F / 27°C
Security Slot	Kensington security slot
Dimensions	7.41 x 12.96 x 11.01" / 188.21 x 329.18 x 279.65 mm
Weight	14.46 lb / 6.56 kg

Software Specifications

Operating System	QTS 4.3.4 (embedded Linux)
Client Operating Systems	Apple Mac OS 10.7 or later Linux and UNIX Microsoft Windows 7, 8, and 10 Microsoft Windows Server 2003, 2008 R2, 2012, 2012 R2, and 2016
Supported Browsers	Apple Safari 7 or later Google Chrome Microsoft Internet Explorer 10 or later Mozilla Firefox
Supported Languages	Chinese (traditional and simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, and Turkish
File System	Internal Hard Drives EXT4 External Hard Drives EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT Note: To use exFAT you must purchase an exFAT driver license from License Center
Network & Virtual Switch	- TCP/IP: Dual stack (IPv4 and IPv6) - Jumbo frame (failover, multi-IP settings, port trunking/NIC teaming) - DHCP server and client - USB Wi-Fi adapter (Note: This feature does not support ad hoc networks because of security considerations) - Virtual Switch Virtual switch editing in Virtualization Station Combining virtual machines and containers in the same virtual switch Network Address Translation (NAT) Spanning Tree Protocol (STP) - WirelessAP Station
Security	Network access protection with auto-blocking (SSH, Telnet, HTTP(S), FTP, CIFS/SMB, and AFP) Host access control for shared folders (CIFS/SMB) 140-2 validated AES 256-bit volume-based and shared folder data encryption (FIPS) 256-bit external drive encryption (AES) Importing of SSL certificates from Let's Encrypt Instant alerts through email, SMS, push service, and audio 2-step verification
QVPN Service	VPN Server - Secure remote access with PPTP, L2TP/IPSec, and OpenVPN VPN services - Support for a maximum of 100 clients - Support for domain users VPN Client - Support for PPTP, L2TP/IPSec, and OpenVPN VPN protocols - OVPN file importing for creation of OpenVPN connections Easy VPN Connection (Windows VPN Utility) Note: QVPN combines an integrated VPN Server, a VPN client, and L2TP/IPSec VPN services
iSCSI (IP SAN)	iSCSI targets with multiple LUNs per target (Note: The maximum number of targets is 256) LUN mapping and masking Online LUN capacity expansion SPC-3 persistent reservation MPIO & MC/S iSCSI Extensions for RDMA (iSER) with VMware ESXi (Note: This feature requires an Intel or AMD-based NAS with a PCIe slot, and a compatible Mellanox network card) iSCSI LUN backup, one-time snapshot, and restoration Virtual disks using iSCSI initiator (Note: The maximum number of virtual disks is eight) Stack chaining master