This Memory

Newegg has the Mushkin Enhanced Blackline 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory for $95 - $20 rebate (Expires 3/9) = $75 with free shipping. CAS Timing of 4-4-4-12.

Product description from Newegg:

Model Brand Mushkin Enhanced Series Blackline Model 996580 Type 240-Pin DDR2 SDRAM Tech Spec Capacity 4GB (2 x 2GB) Speed DDR2 800 (PC2 6400) Cas Latency 4 Timing 4-4-4-12 Voltage 2.0V - 2.1V Multi-channel Kit Dual Channel Kit Heat Spreader Yes Manufacturer Warranty Parts Lifetime limited Labor Lifetime limited

Newegg has the OCZ Gold 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model OCZ2G8004GK for $87 - $15 rebate (Expires 2/28) + $0 shipping = $72 shipped. CAS Latency of 5 with timings of 5-5-5-18.

Product description from Newegg:

Model Brand OCZ Series Gold Model OCZ2G8004GK Type 240-Pin DDR2 SDRAM Tech Spec Capacity 4GB (2 x 2GB) Speed DDR2 800 (PC2 6400) Cas Latency 5 Timing 5-5-5-18 Voltage 1.8V Buffered/Registered Unbuffered Multi-channel Kit Dual Channel Kit Heat Spreader Yes Features Gold XTC Heatspreader
2.1V EVP Recommend Use High Performance or Gaming Memory

Newegg has the OCZ Gold 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model OCZ2G8004GK for $87 - $15 rebate (Expires 2/16) + $0 shipping = $72 shipped. CAS Latency of 5 with timings of 5-5-5-18.

Product description from Newegg:

Model Brand OCZ Series Gold Model OCZ2G8004GK Type 240-Pin DDR2 SDRAM Tech Spec Capacity 4GB (2 x 2GB) Speed DDR2 800 (PC2 6400) Cas Latency 5 Timing 5-5-5-18 Voltage 1.8V Buffered/Registered Unbuffered Multi-channel Kit Dual Channel Kit Heat Spreader Yes Features Gold XTC Heatspreader
2.1V EVP Recommend Use High Performance or Gaming Memory

Newegg.com has the WINTEC AMPX 4GB 240-Pin DDR2 SDRAM DDR2 800 Dual Channel Desktop Memory for $77.99 with free shipping.

Product description from Newegg.com:

AmpX has designed, optimized and tested their Gamer Memory to support intense gaming sessions with breathtaking performance and stability. The 800MHz bandwidth guarantees maximum data flow with unshakeable stability. This 4GB kit comes with 2 matched 2
GB sticks so you can take advantage of the performance gains you get in dual-channel mode. The integrated heat spreaders are treated with thermal paste for increased efficiency. So you know overheating won’t be an issue. Appreciated and recommended all through the gaming community, AmpX has the memory for you!

Product link.

Amazon.com has the PNY MD2048KD1400 2GB PC3200 DDR DIMM Dual Channel Memory Kit for $60.98 - $10 Exclusive Mail-In rebate (Expires 12/31/2009) = $50.98 with free shipping.
Product link.

Newegg.com has the G.SKILL F28500CL5D4GBPK 4GB 240-Pin DDR2 Dual Channel Desktop Memory Kit for $69.99 with free shipping.

Product description from Newegg.com:

Boost your system performance with this 4GB (2×2GB) kit from G.Skill. This PC2-8500 kit will have your system screaming in no time. The included heat spreaders will keep your memory cool even when you’re running your system flat out. T
ested and evaluated beyond most peoples’ skills at tweaking, maybe you can be the one to push it to its 64-bit best! Rated at CL 5-5-5-15 standard timings, you’ll find it hard to do better than G.Skill has managed to design for you!

Product link.

Newegg.com has the G.SKILL F28500CL5D4GBPK 4GB 240-Pin DDR2 Dual Channel Desktop Memory Kit for $64.99 with free shipping.

Product description from Newegg.com:

Boost your system performance with this 4GB (2×2GB) kit from G.Skill. This PC2-8500 kit will have your system screaming in no time. The included heat spreaders will keep your memory cool even when you’re running your system flat out. T
ested and evaluated beyond most peoples’ skills at tweaking, maybe you can be the one to push it to its 64-bit best! Rated at CL 5-5-5-15 standard timings, you’ll find it hard to do better than G.Skill has managed to design for you!

Product link.

Newegg.com has the PNY MD2048KD2667 2GB PC2-5300 DDR2 DIMM Dual Channel Memory Kit for $29.99 with free shipping.

Product description from Newegg.com:

The name says it all, Optima. PNY’s top flight memory modules will boost system performance and look good doing it. The brushed aluminum heat spreaders keep the dual-channel capable memory cool even when you, and your system, are working hard. The 2G
B of PC2 5300 memory will add some zip to your system and keep it running as efficiently as possible. PNY memory upgrades will prove to be an outstanding value now and for a long time to come.

Product link.

Newegg.com has the G.SKILL 4GB 240-Pin DDR2 Dual Channel Desktop Memory Kit for $59.99 with free shipping.

Product description from Newegg.com:

Boost your system performance with this 4GB (2×2GB) kit from G.Skill. This PC2-8500 kit will have your system screaming in no time. The included heat spreaders will keep your memory cool even when you’re running your system flat out. Tested and evaluat
ed beyond most peoples’ skills at tweaking, maybe you can be the one to push it to its 64-bit best! Rated at CL 5-5-5-15 standard timings, you’ll find it hard to do better than G.Skill has managed to design for you!

Product link.