Thought this looked a good price for a 1GB/8GB S905 Beelink box. The firmware is rooted by default.

This TV box is equipped with Amlogic S905 CPU and Mali-450 GPU, which means you will have a smooth experience when using it watching HD movie or playing game etc. 2GB RAM, 16GB ROM and 32GB maximum extend capacity will give you enough space to do your thing without worry about it. All in all, this TV box is a good choice for you to enjoy the joy!

Main Features:
● With Android 5.1 system, we will have high speed feedback and smooth response.
● The processor in this chip is a Amlogic S905 Quad-core with a maximum clock speed of up to 2GHz. Use the Mali-450 as GPU. Apps have never run so smoothly.
● Support dual band 2.4GHz / 5.8GHz WiFi, which offers you a more stable WiFi signal to enjoy a higher quality video experience.
● Support 4K x 2K ultra HD video, which brings us clearer image quality.
● Bluetooth 4.0 connectivity: Easy pairing with most Bluetooth-enabled devices (computer, mobile phone, keyboard, and others).
● Support H.265 video code, enjoy the high-resolution video even at a low-internet-speed environment.
● HDMI 2.0 connector: You can go directly to let your TV and Beelink Mini MX TV Box are connected through a HDMI cable and set up your home cinema for the best 4K x 2K Full HD multimedia experience.
● It integrated the latest Kodi media player software, with full functions of the multimedia entertainment.
● Infrared remote control let you enjoy your wonderful life which the wireless brings to you.
● It is highly tested by CE, FCC, RoHS.

Brand: Beelink
Model: Mini MX
Type: TV Box
GPU: Mali-450 MP
System: Android 5.1
CPU: Amlogic S905
Core: Quad Core
RAM: 1G
ROM: 8G
Max. Extended Capacity: 32G
Color: Black

Decoder Format: H.264,H.265
Video format: AVI,DAT,H.264,H.265,ISO,MKV,MOV,MP4,MPEG,MPG,RM,WMV
Audio format: AAC,FLAC,MP3,MPEG,OGG,RM,WMA
Photo Format: JPG

Support XBMC: Yes
WIFI: 802.11 a/b/g/n
Bluetooth: Bluetooth4.0
Power Supply: Charge Adapter
Interface: DC 5V,HDMI,Micro SD Card Slot,RJ45,SPDIF,USB2.0
Certificate: CE,RoHs

System Bit: 32Bit
WiFi Chip: AP6212
KODI Pre-installed: Yes
KODI Version: 15.2
Firmware Version: Android 5.1

Power Type: External Power Adapter Mode
Product weight: 0.179 kg
Package weight: 0.443 kg
Product size (L x W x H): 11.00 x 11.00 x 1.75 cm / 4.33 x 4.33 x 0.69 inches
Package size (L x W x H): 16.00 x 11.50 x 7.50 cm / 6.3 x 4.53 x 2.95 inches

Package Contents: 1 x Beelink Mini MX TV Box, 1 x HDMI Cable, 1 x Power Adapter, 1 x Remote Control, 1 x English Manual

*I'm using a 128GB MicroSD with my MiniMXIII, not sure about this box, though. Beelink apparently do quite a few firmware updates - looks like the latest firmware is 107L1, see Post #8.