4G DDR4 2666MHz 1Rx16 PC4-2666V HMA851U6CJR6N-VK Memory Ram. You are buying Quantity 1 4G 1Rx16 PC4-2666V HMA851U6CJR6N-VK. Condition is Seller refurbished. Shipped Free with USPS First Class Package.. Condition:: Seller refurbished: An item that has been restored to working order by the eBay seller or a third party not approved by the manufacturer. This means the item has been inspected, cleaned, and repaired to full working order and is in excellent condition. This item may or may not be in original packaging. See the seller’s listing for full details. See all condition definitions : Modified Item: : No , Brand: : SK hynix: MPN: : HMA851U6CJR6N-VK , Capacity per Module: : 4GB: Custom Bundle: : No , UPC: : Does not apply ,