16GB 4x4GB PC3-12800U Dell OptiPlex 7 9 990 980 790 Ram MemoryPlease make that your system uses PC3-12800U Before purchasing Low Density, Unbuffered, Non-ECC, Non-RegisteredDesktop Memory Ram(matched pair) Working ForDell OptiPlex: 390, 790, 980, 990, 3,7, 7010, 9010HP 8000, 8100, 8200, 8300LENOVOACERGATEWAYMemory Brands include:  - Kingston, Samsung, Hynix, Micron, Nanya -- Elpida, Crucial, Dell, G.Skill, Ramaxel, Etc..- ( Memory Brand will ship out randomly ) -MAKE SURE YOUR SYSTEM WILL SUPPORT THIS RAM30 DAY WARRANTYReturns

　　will not be honored if the merchandise is altered in any manner; this

　　includes showing signs of use. The merchandise must be returned in its

　　original packaging.FEEDBACK Positive

　　feedback from our customers is critical for the continued success of

　　our business. Feedback from customers has a direct impact on our sales.

　　Ultimately, by leaving positive feedback, you are having a positive

　　effect on the sales of our products..NEW OR USED If

　　for any reason you do not feel that you can provide positive feedback,

　　please let us know in advance, so that we can try to SOLVE the problem

　　prior to feedback and ratings being left.PAYMENTFor your convenience, credit cards and electronic checks are accepted through PayPal.Payment must be received and cleared prior to your merchandise being shipped.Payment is due at the time of purchase.SHIPPINGAll

　　orders are mailed to the Buyer at the address that they have listed on

　　eBay as their Shipping Address. If you would like your order shipped to a

　　different destination, please update eBay with the correct shipping

　　address prior to making your purchase.The

　　Buyer is liable for all shipping and handling charges, eBay and

　　merchant account fees, and re-stocking fees incurred on orders that are

　　undeliverable to the address listed on eBay as the Buyer's Shipping

　　Address.The

　　Seller, at their discretion, may elect to use a shipping company other

　　than the one indicated in the listing. The most common shipping

　　companies used by this Seller are the USPS,  FedEx.All shipments will receive a tracking number. The tracking number will be updated to eBay and PayPal by the Seller.We

　　proudly support the men & women that serve to protect us, our

　　country and our freedom. We are happy to ship our products to you or

　　your loved ones at APO/FPO addresses.At this time we do not offer international shipping. International shipping includes all locations that are not within the USA.CONTACT USPlease do not hesitate to contact US  should you have any questions. We will respond promptly to your inquiry.