can we upgrade Lenovo Z580 with 8gb and 4 GB rams

can we upgrade Lenovo Z580 with 8gb and 4 GB rams. I.e I have an 4 GB DDR3 Ram already , Can I add an 8 GM RAM topping with existing one. Please advice , Below is my configuration detaols

Processors Information

Processor 1 ID = 0 Number of cores 2 (max 8) Number of threads 4 (max 16) Name Intel Core i5 3210M Codename Ivy Bridge Specification Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Package (platform ID) Socket 988B rPGA (0x4) CPUID 6.A.9 Extended CPUID 6.3A Core Stepping E1/L1 Technology 22 nm TDP Limit 35.0 Watts Tjmax 105.0 °C Core Speed 3092.6 MHz Multiplier x Bus Speed 31.0 x 99.8 MHz Stock frequency 2500 MHz Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX L1 Data cache 2 x 32 KBytes, 8-way set associative, 64-byte line size L1 Instruction cache 2 x 32 KBytes, 8-way set associative, 64-byte line size L2 cache 2 x 256 KBytes, 8-way set associative, 64-byte line size L3 cache 3 MBytes, 12-way set associative, 64-byte line size FID/VID Control yes

Turbo Mode      supported, enabled
Max non-turbo ratio 25x
Max turbo ratio     31x
Max efficiency ratio    12x
Min Power       24 Watts
O/C bins        none
Ratio 1 core        31x
Ratio 2 cores       29x
Ratio 3 cores       29x
Ratio 4 cores       29x
TSC         2494.6 MHz
APERF           2699.1 MHz
MPERF           2475.6 MHz

Temperature 0       70°C (158°F) [0x23] (Core #0)
Temperature 1       70°C (158°F) [0x23] (Package)
Power 0         9.20 W (Package)
Power 1         3.79 W (IA Cores)
Power 2         0.24 W (GT)
Power 3         5.17 W (Uncore)
Voltage 0       1.01 Volts (VID)

Thread dumps

CPU Thread 0
APIC ID 0 Topology Processor ID 0, Core ID 0, Thread ID 0 Type 01020105h Max CPUID level 0000000Dh Max CPUID ext. level 80000008h Cache descriptor Level 1, D, 32 KB, 2 thread(s) Cache descriptor Level 1, I, 32 KB, 2 thread(s) Cache descriptor Level 2, U, 256 KB, 2 thread(s) Cache descriptor Level 3, U, 3 MB, 16 thread(s)

Chipset

Northbridge Intel Ivy Bridge rev. 09 Southbridge Intel HM76 rev. 04 Graphic Interface PCI-Express PCI-E Link Width x16 PCI-E Max Link Width x16 Memory Type DDR3 Memory Size 4 GBytes Channels Single Memory Frequency 798.1 MHz (1:6) CAS# latency (CL) 11.0 RAS# to CAS# delay (tRCD) 11 RAS# Precharge (tRP) 11 Cycle Time (tRAS) 28 Command Rate (CR) 1T Host Bridge 0x0154

MCHBAR I/O Base address 0x0FED10000 MCHBAR I/O Size 19456 MCHBAR registers

Memory SPD

DIMM # 1 SMBus address 0x52 Memory type DDR3 Module format SO-DIMM Manufacturer (ID) (00000000000000000000) Size 4096 MBytes Max bandwidth PC3-12800 (800 MHz) Part number SHARETRONIC Serial number 211C0E02 Manufacturing date Week 24/Year 12 Number of banks 8 Nominal Voltage 1.35 Volts EPP no XMP no AMP no JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency JEDEC #1 5.0-5-5-14-19 @ 380 MHz JEDEC #2 6.0-6-6-16-22 @ 457 MHz JEDEC #3 7.0-7-7-19-26 @ 533 MHz JEDEC #4 8.0-8-8-22-30 @ 609 MHz JEDEC #5 9.0-9-9-24-33 @ 685 MHz JEDEC #6 10.0-10-10-27-37 @ 761 MHz JEDEC #7 11.0-11-11-28-39 @ 800 MHz

Monitoring