Build PC help please advice

Hello, thanks in advance for those who went into the topic for further advice.
Perhaps start..
After about 5 years of slow agony of my computer, it seems to completely die soon, in this regard, I decided in advance to attend to the selection of replacement and I would like to hear the opinion of people who understand this business more than I (since I in General only with the help of Google and video reviews able to choose something). After a couple days of hovering in front of the screen I got about the same selection:

1. The housing Accord P-25B Black
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• Form factor: ATX, mATX
• Size: Midi-Tower
• Maximum graphics card length: 250 mm
• Dimensions (WxHxD): mm 180x420x410
• Case material: steel
• Wall thickness: 0.5 mm
• The number of internal compartments 3,5: 4
• Number of bays 5.25-inch: 3
• Expansion slots: 7
• The opening mechanism: removed two walls
• Designated for additional fans: 2 x 120x120 mm, 1 x 140x140 mm
• Connectors on front panel: USB x2, headphones, microphone
• The location of the power supply: horizontal
• a place to 120 mm fan in front, and for 80/120 mm - behind and for 120/140 mm - side

2. Power supply AeroCool Hero 775 80+ Bronze ATX 775W
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• Type: power supply
• Form factor: ATX
• Power: 775 Watts
• Standard: ATX12V 2.4
• Cooling system: 1 fan (120 mm)
• The fan speed: 1000-1800 rpm
• Type of connector for the motherboard: 20+4 pin
• Number of connectors 12V 4+p: 1
• Number of connectors 6+2-pin PCIe: 4
• Number of SATA connectors: 6
• Number of connectors 4-pin Peripheral: 4
• Number of connectors 4-pin FDD: 1
• The current line +3.3 V: 22 A
• The current line +5 V: 22 A
• The current line +12: 58 A
• The current line -12 In: 0.4 A
• The current line +5 V Standby: 2.5 A

3. Motherboard ASRock Fatal1ty 990FX Killer/3.1
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Gaming armor:
CPU:
• The power connectors high density
Video:
• Gold-plated Contacts 15μ Gold contact in VGA PCIes (PCIE2/PCIE3)
• Power connector PCIe
Network:
• Qualcomm® Atheros® Killer™ LAN
Audio:
• Purity Sound™ 2
Unique feature: - ASRock USB 3.1:
• ASRock USB 3.1/A+C (10 GB/s)
ASRock Full Spike Protection ASRock APP Shop
CPU:
• Support for Socket AM3+ processors
• Support for Socket AM3 processors: AMD Phenom™ II X6 / X4 / X3 / X2 (except 920 / 940) / Athlon II X4 / X3 / X2 / Sempron
• 8-core processor
• Supports UCC feature (Unlock CPU Core)
• Digi Power design
• System 8 + 2 phase power
• Support of processors with TDP up to 140 W
• Supports AMD Cool 'n' Quiet
• FSB 2600 MHz (5.2 GT/s)
• Supports Untied Overclocking technology
• Supports Hyper-Transport 3.0 (HT 3.0)
Chipset:
• North bridge: AMD 990FX
• South bridge: AMD SB950
Memory:
• Dual-channel DDR3 memory
• 4 x DDR3 DIMM
• Supports DDR3 2450(OC)/2100(OC)/1600/1333/1066 non-ECC, UN-buffered memory
• Maximum memory: 64 GB (for system usage under Windows® 32-bit OS, the memory capacity can be less than 4 GB. For 64-bit versions of Windows®, there is no such restriction)
• Supports Intel® Extreme Memory Profile (XMP) 1.3 / 1.2
• Support for AMD Memory Profile (AMP)
BIOS:
• 32Mb AMI UEFI legal BIOS with GUI
• Supports Plug and Play
• ACPI 1.1
• Supports jumperfree
• SMBIOS 2.3.1 support
• Individual change voltages for CPU, DRAM, NB, HT, CPU VDDA, PCIE VDDA, CPU NB
Audio, Video and networking Audio:
• 7.1 CH HD audio with content protection (Realtek ALC1150 audio Codec)
• Support for Premium Blu-ray audio
• Supports Purity Sound™ 2
• Audio capacitors Nichicon Fine Gold Series
• 115 dB SNR DAC with differential amplifier
• Amplifier TI® NE5532 Premium Headset Amplifier (supports headphones with impedance up to 600 Ohms)
• Technology Direct Drive
• Protection from EMP
• Insulation of printed circuit boards
• Supports DTS Connect
LAN:
• PCIE Gigabit LAN 10/100/1000 MB/s
• Contains an integrated network platform Qualcomm® Atheros® Killer™ E2200 Series
• Supports Wake-On-LAN
• Protection from lightning and ESD (ASRock Full Spike Protection)
• Supports energy efficient Ethernet 802.3 az
• Support PXE
Expansion / connectivity: Connectors:
• 3 x PCI Express 2.0 x16 slots (PCIE2/PCIE3 @ x16 mode; PCIE5 @ x4 mode)
• 2 x PCI Express 2.0 x1
• Supports AMD Quad CrossFireX™, 3-Way CrossFireX™ and CrossFireX™
• Supports NVIDIA® Quad SLI™ and SLI™
Storage:
• 5 x SATA3 6.0 GB/s, support RAID (RAID 0, RAID 1, RAID 0+1, JBOD and RAID 5), NCQ, AHCI and Hot Plug
• 1 x M. 2_SSD (NGFF) Socket 3, supports M. 2 module SATA3 6.0 GB/s and M. 2 PCI Express up to Gen2 x2 (10 GB/s) (M2_SSD (NGFF) Socket 3 is combined with the eSATA3 connector)
ASRock USB 3.1/A+C:
• 1 x USB 3.1 Type-A (10 GB/C) (ESD Protection (ASRock Full Spike Protection)
• 1 x USB 3.1 Type-C (10 GB/C) (ESD Protection (ASRock Full Spike Protection))
Connectors:
• 1 x IR
• 1 x COM
• 1 x TPM
• 1 x Power connector with led
• 2 x Connector fan CPU (1 x 4-pin, 1 x 3-pin)
• 3 x Connector for connection of case fan (1 x 4-pin, 2 x 3-pin)
• 1 x Connector for fan Power (3-pin)
• 1 x 24-pin ATX power connector
• 1 x 8-pin 12V power connector (the power Connectors high density)
• 1 x PCIe power Connector
• 1 x audio Output on the front panel of the chassis
• 1 x SPDIF Out
• 2 x USB 2.0 headers (support four USB 2.0 ports) (the ESD Protection (ASRock Full Spike Protection)
• 1 x vertical USB 3.0 type A (ESD Protection (ASRock Full Spike Protection)
• 1 x USB 3.0 provided by Etron EJ188 (supports two USB 3.0 ports) (supports ESD Protection (ASRock Full Spike Protection)
Rear panel I/o:
• 1 x PS/2 mouse
• 1 x PS/2 keyboard
• 1 x Optical SPDIF Out
• 5 x USB 2.0 (ESD Protection (ASRock Full Spike Protection))
• 1 x Fatal1ty mouse port (USB 2.0) (the ESD Protection (ASRock Full Spike Protection))
• 4 x USB 3.0 (ASMedia Hub) (the ESD Protection (ASRock Full Spike Protection))
• 1 x eSATA3
• 1 x RJ-45 LAN with led (ACT/LINK LED and SPEED LED)
• HD audio jacks: Rear speaker / Central / bass / line in / Front speaker / Microphone
Other features:
Software and BIOS: Software:
• ASRock F-Stream
• ASRock Key Master
• ASRock APP Charger
• ASRock XFast RAM
• ASRock Restart to UEFI
• ASRock X-Boost
UEFI:
• ASRock Instant Boot
• ASRock Instant Flash
• ASRock Internet Flash
• ASRock Crashless BIOS
• ASRock OMG (Online Management Guard)
• ASRock UEFI System Browser
• ASRock UEFI Tech Service
• ASRock Dehumidifier
• ASRock Easy RAID Installer
• ASRock Easy Driver Installer
• Turbo 50 / Turbo 60 Overclocking
CD with software:
• Drivers, utilities, antivirus software (Trial version), Google Chrome Browser and Toolbar, Start8 (30 days trial), XSplit, Killer Network Manager
• Control equipment:
• CPU/temperature Sensor housing
• Tachometer fan CPU/chassis/Power
• Quiet fan CPU/chassis (Automatic adjustment of fan speed depending on CPU temperature)
• The fan speed control CPU/Chassis
• Voltage monitoring: +12V, +5V, +3.3 V, CPU Vcore Voltage
• Form factor:
• Form factor ATX
• Premium Gold Capacitor design (100% Japan-made high-quality conductive polymer capacitors)
• High Density Glass Fabric PCB
• OS:
• Compatible with Microsoft Windows 10 64-bit / 8.1 32-bit / 8.1 64-bit / 8 32-bit / 8 64-bit / 7 32-bit / 7 64-bit
• Certificates:
• FCC, CE, WHQL

4. CPU AMD FX-8320 Vishera OEM FD8320FRW8KHK (3500MHz/AM3+/L3 8192Kb)
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• Socket AM3+
• The Core Vishera
• Number of cores 8
• Process technology 32 nm
• Clock frequency of 3500 MHz
• System bus HT
• Integrated memory controller
• The amount of L1 cache 48 KB
• The amount of L2 cache 8192 KB
• The amount of cache L3 8192 KB
• Instructions MMX, SSE, SSE2, SSE3, SSE4
• Support AMD64/EM64T
• Support for NX Bit
• Support For Virtualization Technology
• Typical dissipation 125 W

5. The Sapphire Nitro+ Radeon RX 470 1143Mhz 4G PCI-E 3.0 4096Mb 7000Mhz 256 bit DVI HDMI 11256-01-20G
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General characteristics
• Type: graphic card
Graphics processor

• 2048 stream processors
• 14 nm FinFET
• Graphics Core Next (GCN) 4th generation
• CPU frequency: 1260 MHz (1143 MHz in the basic mode)
Interface
• PCI-Express 3.0
Memory

• Memory bus: 256-bit
• Memory type: GDDR5
• Memory frequency: 1750 MHz
• Capacity: 4096 MB
Displays
• up to 4 connections
Outputs

• 1x DL-DVI-D
• 2x HDMI 2.0 b
• 2x DisplayPort 1.4
API

• OpenGL® 4.5
• OpenCL 2.0
• DirectX® 12
• Vulkan™ 1.0
• Shader Model 5.1
Technology

• AMD CrossFire (no bridge)
• AMD PowerTune
• AMD ZeroCore Power
• AMD FreeSync
• AMD Eyefinity
• AMD Tress FX
• Technology BIOS
• AMD TrueAudio Next
• AMD HD3D technology
• Universal video decoder (UVD)
• Technology XConnect™
• Supports Dolby® TrueHD and DTS-HD Master Audio™
• Support for high dynamic range (HDR)
Capacitors • capacitors with a resource of 16,000 hours
• Chokes Black Diamond 4
• Intelligent fan control system III
• Heat pipe with a diameter of 10 mm
• Dual BIOS
• Full color led backlight NITRO Glow
• NITRO Boost
• VR Friendly
Cooling

• Fans Dual-X with diameter 95 mm
• Two ball bearing
• Reworked the scheme of air flow NITRO Free Flow
• NITRO FanSafe Health Check Fan and SAPPHIRE Fan Service
• System SAPPHIRE Quick Connect
Other

• Power consumption: 150 W
• OS: Windows 10, Windows 8/8.1 Windows 7
System requirements

• Power supply of 500W (recommended)
• 1×8-pin AUX power connector
• CD-ROM drive or DVD-ROM drive for software installation
Form factor
• The number of occupied slots: 2
• Size: 240×120×42 mm

6. Cooler DeepCool Beta 200 ST
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• Device type: Cooler
• Compatibility:100W AMD Socket: FM2/FM1/AM3+/AM3/AM2+/AM2/940/939/754
• Operating voltage: 10.8~13.2 VDC
• Fan speed: 2200rpm.min
• Maximum air flow: 42.35 CFM
• Starting voltage: 7 VDC
• Bearing type: Hydro Bearing
• Noise: 26.3 DB
• Nominal voltage: 12VDC
• Input power: 2.4 W
• Size: 96х108х73,5 mm
• Weight: 297 g

7. Memory module Kingston HyperX Beast DDR3 1600MHz DIMM PC3-12800 CL9 - 16Gb KIT (2x8Gb) KHX16C9T3K2/16X
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• Memory capacity: 16 GB
• Number of modules included: 2
• The frequency of operation to 1600 MHz
• Standard memory: PC3-12800 (DDR3 1600 MHz)
• Memory bandwidth: 12800 MB/sec
• Timings: 9-9-9
• Chip: 512M x 8-bit
• Supply voltage: 1.5 In
• Energy consumption: 2.46 W (each module separately)
• Height: 46.41 mm
• Cooling: radiators on the memory chips

8 Hard disk 3Tb - Toshiba P300 HDWD130EZSTA / HDWD130UZSVA
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• Type: HDD
• Support sectors 4K: Yes
• Purpose: desktop
• Form factor: 3.5
• Volume: 3000 GB
• Buffer memory: 64 MB
• Rotation speed: 7200 rpm
• Connection: SATA 6Gbit/s
• External data transfer rate: 600 MB/s
• Support NCQ: Yes
• The average time delay (Latency): 4.17 MS
• Shock resistance at work: 70 G
• Shock resistance during storage: 350 G
• Noise idle: 27 dB
• Level of operation noise: 28 dB
• Power consumption: 6.40 W
• Dimensions (Chhvhg): 101.6x26.1x147 mm
• Weight: 680 g

9. Monitor AOC i2476Vw Black-Silver
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• Monitor series: Style a-line
• Monitor size: 23.6 Inch
• The size of the visible part of the screen 521.28x293.22
• Screen format: 16:9
• Brightness: 250 cd/m2 (type)
• Contrast: 1000:1
• Dynamic contrast ratio: 50M:1
• Viewing angle: 178/178
• Response time: 6 ms
• Scanning frequency: 30-83khz/50-76hz
Resolution:
• Maximum resolution: 1920x1080@60Hz
• Recommended resolution: 1920x1080@60Hz
• Colors: 16.7 Million
• Compatible with HDCP
Signal input:
• Analogue input: D-Sub
• Tsifrovoy input: DVI
• Power supply: 100 - 240V 50/60Hz
Power consumption:
• Internal
• Power on: 26W
• Standby mode: <0.5 W
• Off: <0.5 W
Features:
• Plug and play
• i-Menu
• e-Saver
• Vesa 100x100
• FlickerFree

PS What would you understand, how sad, here are the stats of my computer now:
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