Dell Dimension 4100 Memory. 256MB Dell Dimension 4100 168-pin PC133 SDRAM DIMM Memory System Information Maximum memory: 512MB Standard memory: 128MB Removable Slots: 2 sockets Note: Your Dell only supports modules made with a specific type of chip. Should you find what seems to be the exact same memory elsewhere for a lower price, it is very possible that the cheaper memory will not work in your computer. Guaranteed To Work with your Dell Dimension 4100 Brand Name modules Memory is the best way to increase the speed of your computer. New chips in Retail Box 100% Tested. 60-Day Money Back, 100% Satisfaction Guaranteed and No Restocking Fee! Mfr. Warranty: LIFETIME Availability: Usually ships the same business day. 4100-KVR133X64C3256Regular-Price: $59.99Sale-Price: $39.99 YES!!! Free Shipping to Alaska, Hawaii, Puerto Rico, APO/FPO and PO Boxes. 911ForPCs.com has been recognized by& our customers for it's outstanding customer service. Read what customers say about us This was one of the best online purchase experiences Ive had. I ordered late Friday night and received the shipment the following Tuesday morning. Their website and order form were extrememly easy to use, and their price for the Dell PC power supply was the best I found, and I appreciated their liberal return policy. Im already planning another purchase from them! K.S., Colorado. Note: We ship from 7 warehouses located across the continental USA Your orders will be shipped from the closest warehouse for the fastest delivery to your location. Coming Soon Canada Warehouse! We accept VISA, MasterCard, PayPal, American Express and Discover. You can also pay by check or money order. (For more info please read the Pre-Pay Policy). * We must add 7% sales tax for all New Jersey residents. Quantity discounts available, contact our Sales Dept for Details. All trademarks and registered trademarks are the property of their respective companies. Copyright © 2012 911ForPCs.com All rights reserved.