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In English
SuomeksiChipsets
To put the new CPU to the test, we needed a motherboard, and while the new Ivy Bridges use the same socket as Sandy Bridge, and are also compatible with many 6-series motherboards, the launch also included the introduction of new chipset: Z77, Z75 and H77 Express. All of these chipsets finally offer native USB3-support as well as support for the three displays via HDMI 1.4a, DVI and Displayport 1.1a. The most noticeable difference between the models is what kind of PCI-express configurations they offer.
| Z77 | Z75 | H77 | |
|---|---|---|---|
| CPU Support | IVB LGA-1155 | IVB LGA-1155 | IVB LGA-1155 |
| CPU Overclocking | Yes | Yes | No |
| PCIe 3.0 Configuration | 1 x16 or 2 x8 or 1 x8 + 2 x4 |
1 x16 or 2 x8 |
1 x16 |
| Processor graphics support | Yes | Yes | Yes |
| Intel SRT (SSD Caching) | Yes | No | Yes |
| RAID Support | Yes | Yes | Yes |
| USB 2.0-ports (3.0) | 14 (4) | 14 (4) | 14 (4) |
| SATA-ports (6 Gbps ports) | 6 (2) | 6 (2) | 6 (2) |
| PCIe Lanes | 8 (5 GB/s) | 8 (5 GB/s) | 8 (5 GB/s) |
Intel DZ77GA-70K
For the benchmarking purposes we received the Intel’s new DZ77GA-70K, which of course has the top of the line Z77-chipset. This review isn’t really about the motherboard, but we’ll still give it a quick glance before moving on to the overclocking- and performance tests.
The motherboard arrived to our test packed in a skull-themed box, which is very typical for Intel’s extreme range of motherboards. The bundle of the motherboard included an SLI-bridge, an USB3-panel to be attached in an empty 3,5” bay, rear I/O-shield, a mouse pad, installation guide and also a WLAN-module that can be installed to an internal USB2-header.
The board makes good use of the new chipset, including just about all connectivity imaginable. For graphics the board has two PCI-e 3.0 16x connectors, the top one of which can operate at 16x-speed, but which also support SLI and Crossfire-setups at 2x8-speed. In the bottom-right corner are the eight S-ATA-ports, with two of them being 6 Gbps ports and four 3 Gbps ports controlled by the Z77, and the bottom two being S-ATA 6 Gbps controlled by a separate Marvell controller chip.
At the back are a single PS/2-connector to be used with either a mouse or a keyboard, four USB2.0-ports (the yellow ones being capable of providing extra juice for devices that need charging), a single firewire and e-SATA, four USB 3.0-ports, a single HDMI-connector and finally the audio connectors. There’s also a button for resetting the BIOS if anything goes wrong.
In case these connections aren’t enough, the motherboard also offers four extra USB3.0-ports, six USB2.0-ports, firewire and SPDIF-connectors and even a serial port as internal headers.
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