They are the same link to the same laptop. Please provide us with the other link.
Oh, well thats not what happens when I click on one then the other but I'll just give you the specs
HP Pavilion HDX18T:
* Advanced multimedia laptop with 18.4-inch screen (true 16:9 aspect ratio), WUXGA Ultra Brightview (1920x1200 1080p), Altec Lansing speakers with subwoofer, and Dolby Home Theater surround sound
* 2.8 GHz Intel Core 2 Duo T9600 processor, 500 GB hard drive, 4 GB RAM (8 GB max), Blu-ray ROM w/dual-layer DVD drive
* Fingerprint Reader, Draft-N Wi-Fi (802.11a/b/g/n); Gigabit Ethernet; Nvidia GeForce 9600M GT graphics (up to 2302 MB total)
* Connectivity: 4 USB (with 1 shared eSATA), 1 FireWire, 1 HDMI, 1 VGA, ExpressCard 54/34, 5-in-1 memory card reader
* Pre-installed with Windows Vista Ultimate (64-bit) with SP1
or
Acer Aspire 8930-7665:
* Box Contents - Acer AS8930-7665 Notebook, 8-Cell Lithium-ion Battery, AC power adapter; Software Bundle - Windows Vista Home Premium 64-Bit Edition with Service Pack 1, Microsoft Works 8.5, Microsoft Office Home and Student 2007 Edition - 60-Day Trial, McAfee Internet Security Suite 60-Day Subscription, 1-Year Limited Warranty
* Intel Core 2 Quad Q9000 2.0 GHz Processor
* 6 MB L2 Cache, 1066 MHz Bus speed
* 4096 MB DDR3 (PC3-8500) RAM
* 500 GB (5400RPM) SATA Hard Drive
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