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Appeared on: Thursday, December 16, 2010
OCZ PC-10666 4x2GB DDR3 Review


1. About the OCZ PC-10666 4x2GB memory kit

Today we will have a quick look to the OCZ gold Series of low-voltage DDR3 kits, designed for the Intel P55 Chipset and subsequent Intel Core i7, i5, and i3 (Socket 1156) processors. The 4GB memory kit is aimed at midrange desktops and they are configured for dual channel mode, optimized by OCZ for optimal performance with an ideal combination of low power requirements at extreme MHz.

Developed for cost-conscious enthusiasts and gamers, these new OCZ modules were engineered with the same affordability and performance standards as the new Lynnfield platform.

OCZ DDR3 PC3-10666 gold Low Voltage Kits are 100% hand-tested for quality assurance and feature propriety XTC (Xtreme Thermal Convection) heatspreaders for effective heat dissipation. Furthermore, each OCZ memory kit is backed by the OCZ Lifetime Warranty.

- Main features

Special Features

* XTC (Xtreme Thermal Convection) heatspreaders optimize the thermal management of memory modules by promoting greater airflow by means of micro-convection throughout what is usually the dead air space inside conventional heatspreader designs. In this manner, build-up of heat is avoided and thermal dissipation of the memory components is offloaded more efficiently through the honeycomb design. At the same time, mechanical stability is maintained.

- Retail package

OCZ provided us with the retail package of 2x4GB memory modules (OCZ3G1333LV8GK). The retail price of the kit is around $145 (with a $35 coupon reduction) , depending your location and currency, making it ideal for a new system expansion.

The memory modules are packaged in a plastic shell as we typically see in OCZ's memory kits

A sticker on each module indicate the memory's rating, part number and and of course the optimal cache latency. OCZ Technology uses a gold heat-spreader with a the Z3 product logo embossed on it, also met in other members of the company's Gold Series.


2. Overclocking

Here is our test PC configuration:

We will try to experiment with the installed memory and check how they oveclock. In order to keep memory stable under all conditions we suggest to use set the DRAM and QPI/DRAM at 1.66V and 1.35V, respectively. These settings should be made under the DRAM options of your BIOS.

After installation, the CPU-Z v1.56 provides information about the OCZ3G1333LV8GK modules. The memory supports the  standard JEDEC timings for the frequencies of 444/518/592 and 666MHz:

With the voltage set to 1.50V, the memory gave stable CL8 at 533MHz (1066) and a CL9 at 666MHz:

Keeping the voltage to 1.50V, the memory easily reached the 1453MHz without sacrificing the stability of the system:

The next step was to pump up the voltage to 1.65V. This time we got a frequency of 534MHz (1067) with CL7-7-7-14 and 668MHz (1333) at CL8. The memory reached its limits at ~1504MHz with the system to remain totally stable.


3. Summary

OCZ is well known for producing quality products at affordable prices. The OCZ DDR3-1333 (2x4GB) Kit boosts 8GB of DDR3 memory and gives users a great option to upgrade their memory without spending much. The DDR3-1333MHz with CL9 at 1.65V rating was fully confirmed in our brief tests, although we managed to push overclocking even higher and up to 1453MHz for 1.50V and ~1504MHz at 1.65V. However, a nice stable DDR3-1333MHz with CL9 and 1.50V setting will be energy saving and will extend the lifetime of the memory.

The OCZ DDR3-1333 (2x4GB) Kit with P/N OCZ3G1333LV8GK will cost you around $110 (after coupon return), making it a highly affordable memory solution for mid-range systems. What you'll get is a fast, stable and adequately overcklockable memory kit - a great value for your money.



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