Samsung 30 nm Green PC3-12800 Low Profile 1.35 V DDR3 48

Samsung 30 nm Green PC3-12800 Low Profile 1.35 V DDR3 Review

Performance Results »

Test System

Test System
CPU:Intel i7 3960X (ES)
3.3 GHz, 15 MB Cache
Memory:8 GB DDR3 (2x 4 GB) Samsung MV-3V4G3
Cooling:Noctua NH-C14
Motherboard:ASUS P9X79 Deluxe
Intel X79 Express, BIOS ver 0904
Video Card:XFX Radeon HD 6950 2 GB(shader unlocked)
Harddisk:Corsair CSSD-F60 60GB SATA 3 Gb/s
Crucial CT128M4SSD2 128GB SATA 6 Gb/s
Power Supply:Antec TPQ-1200 OC
Case:Test Bench
Software:Windows 7 64-bit, ATI Catalyst 12.1

Initial Setup

I installed the sticks next to the G.Skill memory I reviewed several weeks ago, and as you can see in the first image above, that really helped highlight just how small these sticks are! In the second image we can see that the Samsung sticks are about half the height of the G.Skill sticks, which already easily fit under our standard NH-C14 Noctua cooler that we use in all of our reviews.

The modules measure in at 18.74 mm in height; quite small indeed. So small in fact, that these modules barely even stick out past the DIMM slot clips, as you can see in the second image above.

Once in the OS, I fired up CPU-Z to see what info would be displayed, which you can see in the two images above. It's interesting to note that CPU-Z recognizes the sticks as having a 1.28 V working voltage.

The two images above show the timings and voltages the sticks use by default in our ASUS P9X79 Deluxe motherboard. Secondary timings perfectly match what we found in the SPD table (not all sticks get the same settings as what's in the SPD profile), and the second image above shows that even with "AUTO" voltage settings, the dimms were set to 1.35 V, and VCCSA was not adjusted at all (our reference G.Skill kit set 1.05 V for VCCSA when XMP was enabled, as well as using 1.65 V for vDIMM on "AUTO" settings, even with the JEDEC profile).
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