512MB Memory RAM Compatible with HP Pavilion Dv4218EA Dv4234EA Dv4302EA Dv4304EA

Your HP Pavilion Notebooks Dv4218EA uses DDR SO-DIMM Non-ECC Non-Registered memory.

We recoomend the following configurations for your HP Pavilion Notebooks Dv4218EA laptop:
A: Get ONE stick(pair) of the memory + your existing memory OR
B: Get TWO sticks(pairs) of the memory to maximize the performance.

Yes, all memory are compatible as long as they meet the requirement of your laptop.
However, the Quality and Configurations of the memory module can be quite different from the New Major Brand memory to low quality module that's
been labeled as used, rebuilt, refurbished, or "high density". It's very possilbe that the low quality memory will not work or will cause problems for your
laptop.

1. OKayMemory has been speicalized in Computer Memory business since 2003 and now has 150,000+ upgrade info for all the servers, desktops, laptops out
there. We specialize in Computer Memory and nothing else. Thus we can offer "Guaranteed to Work" to ensure you that the memory upgrade will work in
your laptop.
2. OKayMemory stands behind our products. That's why we only use Major Brand Memory from the Top five memory manufacturers in the world (Samsung,
Hynix, Micron, Elpida, Qimonda). We do not want to sell our customers low quality memory. PERIOD.

All memory comes "30 days Return Period" and "Lifetime Warranty" after 30 days.

OKayMemory strive to help our customers. Feel free to email us OR call us at our toll free number: 1-855-656-3667 international
1-626-435-9105 during Mon-Fri 8:30am to 5:30pm PST.

USPS First Class (4 to 10 Business Days): Free Shipping

UPS 2nd Day Air (2 Business Days): $9.99

UPS Next Day Air (1 Business Day): $18.99

Standard International Shipping with Notification ONLY (Canada only, 10 to 21 Business Days): Free Shipping

USPS First Class International with Notification ONLY (7 to 21 Business Days): $14.99

USPS Express International with Tracking (3 to 13 Business Days): $34.99

OKayMemory was established in 2002 and have since built a database that contain more than 150000+ models of memory configurations for all the servers, laptops and desktops out there. That’s why we can “Guaranteed the Memory Compatibility” for your systems. With more than 100 combined Servers/Desktops/Laptops running in our facilities testing for compatibility and reliability, we consider ourselves the “Memory Specialists”. Call us at our Toll free: 1-855-656-3667 international 1-626-435-9105 or Email us.

Security is a top priority at OKayMemory. Our Address Verification department helps to protect our customers from credit card fraud, unauthorized charges and identity theft. For fraud prevention, we employ advanced ID verification technology that allows us to guarantee the cardholder is the one who placed the order. All orders are protected from damage with shipping insurance and all new products include a warranty.

We offer secure payments options including but not limited to: Visa, MasterCard, American Express, Discover, PayPal, and Bill Me Later via Paypal. All credit cards processed through our shopping cart system are secured through state-of-the-art 256-bit SSL (Secure Socket Layer) technology.

In-stock, approved orders are shipped the same day (on order before 2:30PM PST) or next day, Monday–Friday, within 24 hours of your order being placed. We offer multiple shipping options, such as Free USPS Standard Shipping (up to 7 business days depending on your location), UPS 2nd-day Air and UPS Next-day Air shipping. For international orders, we offer USPS First Class Air Mail, USPS Express Mail Service (EMS) for fast and secure shipping.