求list budget 约四千

求list用於文书处理，上网，睇片，唔洗打机,仲有部主机想细啲，悭位啲，同仲有wifi功能得唔得呢?谢谢

Intel Core i3-4130 Haswell (3.4GHz, 3M Cache, LGA 1150, 22nm) CPU BOX 盒装 HK$ 899
ASRock 华擎 H81M-ITX H81,DDR3,LGA 1150,HDMI,USB3.0,SATA3 6Gb/s,Mini-ITX M/B HK$ 580
TEAM Elite DDR3 1600MHz 4GB Ram TED34G1600C1101 HK$ 260
Crucial M500 120GB CT120M500SSD1 2.5" SATA 3 6Gb/s (Solid State Drive, SSD) 固态硬碟 7mm HK$ 580
WD Blue WD5000AAKX 500GB SATA3/16MB HDD HK$ 359
PANASONIC UJ-8D1TI Slim Internal SATA DVD Writer HK$ 220
SilverStone SFX 系列 ST30SF 300W Micro ATX (SFX) 80Plus Bronze 火牛 HK$ 440
SilverStone 珍宝系列SST- SG05BB-Lite USB3.0 (黑色 ) ITX Case HK$ 319
NETGEAR WNDA4100 High Speed Wireless N900 Dual Band USB Adapters HK$ 350
Total HK$ 4007

thx!!:-D