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This review is from: VisionTek 900639 DisplayPort to Dual Link DVI-D Active Adapter (M/F)
Pros: Supports 2560x1600 monitors, inexpensive, portable, NO USB POWER REQUIRED! Also seems more reliable than USB-powered adapters.
I use it between a Lenovo dock (not USB 3.0 port extender) and an older HP LP3065 that is Dual-Link DVI only.
Note - you MUST have dual-link DVI cable to get this to work. No way to visually distinguish single-link & dual-link DVI cables. People get frustrated becamse some single-link DVI cables have all the dual-link DVI-D pins, but don't support dual-link DVI.
I grab a Sharpie and write "D-L" on the connectors with every Dual-Link DVI cable I buy. Saves a lot of heartbreak.
Cons: Had to futz around to make it work. Not sure which step made the difference:
- Used adequate power supply for the dock & laptop. Don't know if 90 watts is sufficient.
- Power-cycled the monitor - with the physical on-off switch - once the monitor was connected to the dock via this product with laptop running in the dock.
- Doesn't seem to work via laptop's Mini DisplayPort and Mini DP to DP adapter when laptop is undocked.
Pros: A touch faster than 10600 at a competitive price. Windows Experience rated it same as the 4GByte OCZ DDR3 I replaced. Was very happy with G.Skill DDR2 memory in my previous laptop. Ordered it Monday afternoon, it arrived before dinner on Tuesday with free shipping.
Other Thoughts: Laptop has 4 memory slots, had 4x 4 GB SODIMMs of fast memory. My primary analysis app exhausted the 16 GByte with large network capture datasets, really slowed down when it had to start paging. The app operates with all data in memory, so memory speed is the bottleneck in my work.
When prices came within reach bought two G.Skill 16 GByte kits. Didn't give up any performance, haven't yet used up all 32 GBytes. Did notice that Windows 7 x64 has slightly increased its kernel memory allocation, expect that will make things even faster.
Pros: Competitive price, fast performance, rapid delivery.
Cons: No Cons.
Other Thoughts: Replaced 2x4 GB OEM memory in my Windows 7 x64 HP laptop with 4 x4 GB OCZ. Yes, this model has 4 memory slots. Sold the 2 OEM SO-DIMMs to another family member.
Windows Experience raised the memory score one notch. Only PC3 10666 product I found with 9-9-9-20 instead of 9-9-9-24 CAS rating. CPU-Z confirms the manufacturer's specs.