Table:
text: List of Intel Core i7 microprocessors
"Haswell-H" ( , quad-core, 22 nm)
"Haswell-H" ( , quad-core, 22 nm)
Model_number sSpec_number Cores Frequency Turbo L2_cache L3_cache GPU_model GPU_frequency Socket I_O_bus Release_date Part_numbers Release_price_USD_
Core i7-4850HQ SR18H(C0) 4 2.3 GHz 10/10/11/12 4 × 256 KB 6 MB Iris Pro Graphics 5200 200–1200 MHz BGA-1364 DMI 2.0 June 2013 CL8064701509800 $468
Core i7-4950HQ SR18G(C0) 4 2.4 GHz 10/10/11/12 4 × 256 KB 6 MB Iris Pro Graphics 5200 200–1300 MHz BGA-1364 DMI 2.0 June 2013 CL8064701509700 $657
Core i7-4960HQ SR1BS(C0) 4 2.6 GHz 10/10/11/12 4 × 256 KB 6 MB Iris Pro Graphics 5200 200–1300 MHz BGA-1364 DMI 2.0 September 2013 CL8064701511001 $657
embedded embedded embedded embedded embedded embedded embedded embedded embedded embedded embedded embedded embedded embedded
Core i7-4700EQ SR17L(C0) 4 2.4 GHz 8/8/9/10 4 × 256 KB 6 MB HD Graphics 4600 400–1000 MHz BGA-1364 DMI 2.0 June 2013 CL8064701483802 $378

Question: What is the I/O bus entry for the processor with a release price of $657 under the Intel Core i7 microprocessors Haswell H Quad Core 22nm list?