Check the listing for details. 534916-b21 HP 512MB FLASH BACKED WRITECACHE / CONTROLLER CARD 578882-001. Condition: Open box. Listed at 50.00 USD. part # 534916-B21 DESCRIPTION HP 512MB FLASH BACKED WRITECACHE / CONTROLLER CARD CONDITION: BULK, SEALED IN STATIC BAG --- 30 DAYS WARRANTY ON DOA ----- Returns PolicyNo returns accepted without prior return authorization, you must contact us and ask for a Return Merchandise Authorization (RMA) number before returning merchandise; any returned non-defective item (s) or open sealed boxes are subject to 10-15% restocking charge of purchase price. Shipping InfoWe ship thru carrier USPS / UPS & FEDEX... If ordered before 3PM and payment cleared by that time we usually ship the same day otherwise the following business day. Tax PolicyFlorida state residents are subject to sales 6% tax UNLESS RE-SALE CERTIFICATE IS PROVIDED. Customer Service If you have any inquires please feel free to contact us via Ebay -- Will reply email within 30 min.. --- If you are satisfied with out products, will appreciate if you could leave positive feedback and will do the same for your purchase. And if incase you are not satisfied with our product please dont leave a negative or neutral feedback but contact us, we will do our best to help and resolve the problem at the earliest. THANKS.. and have a NICE DAY... :) Returns PolicyNo returns accepted without prior return authorization, you must contact us and ask for a Return Merchandise Authorization (RMA) number before returning merchandise; any returned non-defective item (s) or open sealed boxes are subject to 10-15% restocking charge of purchase price. Shipping InfoWe ship thru carrier USPS / UPS & FEDEX... If ordered before 3PM and payment cleared by that time we usually ship the same day otherwise the following business day. Tax PolicyFlorida state residents are subject to sales 6% tax UNLESS RE-SALE CERTIFICATE IS PROVIDED. Customer Service If you have any inquires please feel free to contact us via Ebay -- Will reply email within 30 min.. --- If you are satisfied with out products, will appreciate if you could leave positive feedback and will do the same for your purchase. And if incase you are not satisfied with our product please dont leave a negative or neutral feedback but contact us, we will do our best to help and resolve the problem at the earliest. THANKS.. and have a NICE DAY... :)