Product/Model Name: I・O DATA LAN DISK Z / HDL-Z4WM4C2 CPU: Intel Atom 2.13GHz (Dual Core) Memory: Installed 4GB (DDR3), recognized as 3GB Storage: HDD 500GB x 1 The I-O DATA HDL-Z4WM4C2 is an OEM product of QNAP, with hardware specifications equivalent to the QNAP TS-469L. A USB-DOM with QNAP firmware installed on the motherboard was installed, transforming it into a QNAP TS-469L. RAID5 configuration and SMB file sharing have been verified with four HDDs for testing. The QNAP firmware is QTS 4.3.4.2814. LAN port x 2, USB port x 7, HDMI output, and front LCD display are all functioning correctly. While some cleaning with alcohol has been done, there are minor scratches on the chassis, so please refrain from purchasing if you require a perfect appearance. RAID5 configuration and SMB file sharing have been verified with four HDDs for testing. One 500GB HDD for testing is included, and only basic initial settings have been configured. The HDDs are currently showing a normal status, but they are for testing purposes only, and the operational guarantee of the HDDs themselves is not provided. Please understand this. Since initial settings are complete, you can use and reconfigure it immediately from a PC with Qfider installed. The initial settings are: ID: admin PW: admin You can use it as is, but please reconfigure it yourself, including volume expansion and RAID settings. You can use myQNAPcloud (remote access from smartphones, etc., when away from home) by registering a new account. ※ List of items for sale ※ ・Main unit ・1 x 500GB HDD for testing (installed) ・Generic power cable (used) ・3.5-inch HDD mounting screws (used) 16 (4 installed) ・CD-R (manual, Qfinder, and various software) The HDD mount key is not included, but it is in the unlocked state (cannot be locked), so there is no problem with HDD installation. If you do not need the HDD, it can be removed for a reduction of ¥400, so please contact us via comment before purchasing. If there is a malfunction after arrival, returns are accepted within 3 days of arrival.