MPN TS-451D2-4G-US CPU Intel Celeron J4025 dual-core 2.0 GHz processor (burst up to 2.9 GHz) CPU Architecture 64-bit x86 Graphic Processors Intel HD Graphics 600 Floating Point Unit Yes Encryption Engine Yes (AES-NI) Hardware-accelerated Transcoding Yes System Memory 4 GB SO-DIMM DDR4 (1 x 4 GB) Maximum Memory 8 GB (2 x 4GB) Memory Slot 2 x SO-DIMM DDR4 For dual-DIMM configuration, you must use a pair of identical DDR4 modules. Flash Memory 4GB (Dual boot OS protection) Drive Bay 4 x 3.5-inch SATA 6Gb/s, 3Gb/s The system is shipped without HDD. For the HDD compatibility list, please visit https://www.qnap.com/compatibility/ Drive Compatibility 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives Hot-swappable Yes SSD Cache Acceleration Support Yes Gigabit Ethernet Port (RJ45) 2 Wake on LAN (WOL) Yes Jumbo Frame Yes USB 3.2 Gen 1 port 4 HDMI Output 1, HDMI 2.0 (up to 4096 x 2160 at 60Hz) Form Factor Tower LED Indicators Power/Status, LAN, USB, HDD1-4 Buttons Power, USB copy, Reset Operating temperature 0 - 40 oC (32oF - 104oF) Relative Humidity 5-95% RH non-condensing, wet bulb: 27oC (80.6oF) Power Supply Unit External Power Adapter, 90W, AC 100-240 V Fan 1 x 120mm, 12VDC Sound Level 18.5 db(A) System Warning Buzzer Kensington Security Slot Yes Max. Number of Concurrent Connections (CIFS) 800
Returns for Refund
TheKeyKey.com provides a 30-day refund or replacement warranty for all products with the following exceptions listed below:
Any product not purchased from TheKeyKey.com.
Any product that is no longer in brand new, unopened condition.
Any product that has been installed or has attempted to be installed.
Any product that is returned to us without its original packaging, accessories, manuals, warranty cards, and all other items enclosed in the exact condition in which it was received.
Any product that exhibits physical damage either to the product itself or to the original packing materials and accessories.
Any product with a missing or altered serial number.
Any product that has been submitted for a promotional rebate.
Any product described as "not refundable" on the product details page.
Any custom-built systems manufactured by TheKeyKey.
Any special-order items.
Open-box and refurbished products are final-sale only and are not eligible for refund.
Please verify that your products are eligible for return before requesting an RMA number. Products not eligible for return will be shipped back to you.
Returns for Repair or Replacement
TheKeyKey.com provides a 30-day repair or replacement warranty. Please obtain an RMA number and follow the return instructions included with your number.
All defective, dead on arrival (DOA) items will be inspected and tested by our RMA department. If the item is tested to be in working condition, the RMA will be rejected and the item will be returned to you.
Some items are non-refundable and can only be exchanged for the exact same item. These items are described as "not refundable" on the product detail page.
Defective parts returned for replacement by TheKeyKey must be received within 30 days of the original invoice date. Items received by TheKeyKey after the initial 30-day period are no longer eligible for refund and will be forwarded to the original manufacturer for repair or replacement only, the choice of which will be at the discretion of the manufacturer. For repair or replacement inquiries after 30 days, please contact the manufacturer directly.
For product replacement or refund requests, please return the entire item package including all accessories. Package contents will be verified for completeness before a replacement / refund is issued.
Note that any physical damage will automatically void the product warranty and we will return any products that exhibit physical damage back to you. For example, we cannot accept CPU returns if the item is cracked, chipped, burnt, has bent pins or if the item has sustained any other type of physical damage. We highly recommend carefully reading the manufacturer's instructions before installing your product.
Please make sure that your item is actually defective and that you have ruled out other incompatibility possibilities before returning the product. When we receive the returned item, we must test it thoroughly to verify that it is actually defective because our suppliers (usually the manufacturer) will not accept returns or exchanges for working items. If we determine that the returned item is in working condition, we will ship it back to you.